diff --git a/src/static/ckeditor/plugins/div/dialogs/div.js b/src/static/ckeditor/plugins/div/dialogs/div.js
deleted file mode 100644
index 48233dad..00000000
--- a/src/static/ckeditor/plugins/div/dialogs/div.js
+++ /dev/null
@@ -1,10 +0,0 @@
-(function(){function t(a,m,r){m.is&&m.getCustomData("block_processed")||(m.is&&CKEDITOR.dom.element.setMarker(r,m,"block_processed",!0),a.push(m))}function q(a,m){function r(){this.foreach(function(a){/^(?!vbox|hbox)/.test(a.type)&&(a.setup||(a.setup=function(c){a.setValue(c.getAttribute(a.id)||"",1)}),a.commit||(a.commit=function(c){var f=this.getValue();if("dir"!=a.id||c.getComputedStyle("direction")!=f)f?c.setAttribute(a.id,f):c.removeAttribute(a.id)}))})}var q=function(){var g=CKEDITOR.tools.extend({},
-CKEDITOR.dtd.$blockLimit);a.config.div_wrapTable&&(delete g.td,delete g.th);return g}(),u=CKEDITOR.dtd.div,n={},p=[];return{title:a.lang.div.title,minWidth:400,minHeight:165,contents:[{id:"info",label:a.lang.common.generalTab,title:a.lang.common.generalTab,elements:[{type:"hbox",widths:["50%","50%"],children:[{id:"elementStyle",type:"select",style:"width: 100%;",label:a.lang.div.styleSelectLabel,"default":"",items:[[a.lang.common.notSet,""]],onChange:function(){var g=["info:elementStyle","info:class",
-"advanced:dir","advanced:style"],c=this.getDialog(),f=c.getModel(a),f=f&&f.clone()||new CKEDITOR.dom.element("div",a.document);this.commit(f,!0);for(var g=[].concat(g),b=g.length,k,e=0;e<b;e++)(k=c.getContentElement.apply(c,g[e].split(":")))&&k.setup&&k.setup(f,!0)},setup:function(g){for(var c in n)n[c].checkElementRemovable(g,!0,a)&&this.setValue(c,1)},commit:function(g){var c;(c=this.getValue())?n[c].applyToObject(g,a):g.removeAttribute("style")}},{id:"class",type:"text",requiredContent:"div(cke-xyz)",
-label:a.lang.common.cssClass,"default":""}]}]},{id:"advanced",label:a.lang.common.advancedTab,title:a.lang.common.advancedTab,elements:[{type:"vbox",padding:1,children:[{type:"hbox",widths:["50%","50%"],children:[{type:"text",id:"id",requiredContent:"div[id]",label:a.lang.common.id,"default":""},{type:"text",id:"lang",requiredContent:"div[lang]",label:a.lang.common.langCode,"default":""}]},{type:"hbox",children:[{type:"text",id:"style",requiredContent:"div{cke-xyz}",style:"width: 100%;",label:a.lang.common.cssStyle,
-"default":"",commit:function(a){a.setAttribute("style",this.getValue())}}]},{type:"hbox",children:[{type:"text",id:"title",requiredContent:"div[title]",style:"width: 100%;",label:a.lang.common.advisoryTitle,"default":""}]},{type:"select",id:"dir",requiredContent:"div[dir]",style:"width: 100%;",label:a.lang.common.langDir,"default":"",items:[[a.lang.common.notSet,""],[a.lang.common.langDirLtr,"ltr"],[a.lang.common.langDirRtl,"rtl"]]}]}]}],getModel:function(a){return"editdiv"===m?CKEDITOR.plugins.div.getSurroundDiv(a):
-null},onLoad:function(){r.call(this);var g=this,c=this.getContentElement("info","elementStyle");a.getStylesSet(function(f){var b,k;if(f)for(var e=0;e<f.length;e++)k=f[e],k.element&&"div"==k.element&&(b=k.name,n[b]=k=new CKEDITOR.style(k),a.filter.check(k)&&(c.items.push([b,b]),c.add(b,b)));c[1<c.items.length?"enable":"disable"]();setTimeout(function(){var b=g.getModel(a);b&&c.setup(b)},0)})},onShow:function(){"editdiv"==m&&this.setupContent(this.getModel(a))},onOk:function(){if("editdiv"==m)p=[this.getModel(a)];
-else{var g=[],c={},f=[],b,k=a.getSelection(),e=k.getRanges(),n=k.createBookmarks(),h,l;for(h=0;h<e.length;h++)for(l=e[h].createIterator();b=l.getNextParagraph();)if(b.getName()in q&&!b.isReadOnly()){var d=b.getChildren();for(b=0;b<d.count();b++)t(f,d.getItem(b),c)}else{for(;!u[b.getName()]&&!b.equals(e[h].root);)b=b.getParent();t(f,b,c)}CKEDITOR.dom.element.clearAllMarkers(c);e=[];h=null;for(l=0;l<f.length;l++)b=f[l],d=a.elementPath(b).blockLimit,d.isReadOnly()&&(d=d.getParent()),a.config.div_wrapTable&&
-d.is(["td","th"])&&(d=a.elementPath(d.getParent()).blockLimit),d.equals(h)||(h=d,e.push([])),b.getParent()&&e[e.length-1].push(b);for(h=0;h<e.length;h++)if(e[h].length){d=e[h][0];f=d.getParent();for(b=1;b<e[h].length;b++)f=f.getCommonAncestor(e[h][b]);f||(f=a.editable());l=new CKEDITOR.dom.element("div",a.document);for(b=0;b<e[h].length;b++){for(d=e[h][b];d.getParent()&&!d.getParent().equals(f);)d=d.getParent();e[h][b]=d}for(b=0;b<e[h].length;b++)d=e[h][b],d.getCustomData&&d.getCustomData("block_processed")||
-(d.is&&CKEDITOR.dom.element.setMarker(c,d,"block_processed",!0),b||l.insertBefore(d),l.append(d));CKEDITOR.dom.element.clearAllMarkers(c);g.push(l)}k.selectBookmarks(n);p=g}g=p.length;for(c=0;c<g;c++)this.commitContent(p[c]),!p[c].getAttribute("style")&&p[c].removeAttribute("style");this.hide()},onHide:function(){this.getMode(a)===CKEDITOR.dialog.EDITING_MODE&&this.getModel(a).removeCustomData("elementStyle")}}}CKEDITOR.dialog.add("creatediv",function(a){return q(a,"creatediv")});CKEDITOR.dialog.add("editdiv",
-function(a){return q(a,"editdiv")})})();
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/divarea/plugin.js b/src/static/ckeditor/plugins/divarea/plugin.js
deleted file mode 100755
index 4f3a5f0e..00000000
--- a/src/static/ckeditor/plugins/divarea/plugin.js
+++ /dev/null
@@ -1,5 +0,0 @@
-/*
- Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-CKEDITOR.plugins.add("divarea",{afterInit:function(a){a.addMode("wysiwyg",function(c){var b=CKEDITOR.dom.element.createFromHtml('\x3cdiv class\x3d"cke_wysiwyg_div cke_reset cke_enable_context_menu" hidefocus\x3d"true"\x3e\x3c/div\x3e');a.ui.space("contents").append(b);b=a.editable(b);b.detach=CKEDITOR.tools.override(b.detach,function(a){return function(){a.apply(this,arguments);this.remove()}});a.setData(a.getData(1),c);a.fire("contentDom")})}});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/iframe/dialogs/iframe.js b/src/static/ckeditor/plugins/iframe/dialogs/iframe.js
deleted file mode 100644
index f29a82e8..00000000
--- a/src/static/ckeditor/plugins/iframe/dialogs/iframe.js
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-(function(){function d(c){var e=this instanceof CKEDITOR.ui.dialog.checkbox;c.hasAttribute(this.id)&&(c=c.getAttribute(this.id),e?this.setValue(g[this.id]["true"]==c.toLowerCase()):this.setValue(c))}function f(c){var e=this.getValue(),a=this.att||this.id,d=this instanceof CKEDITOR.ui.dialog.checkbox?g[this.id][e]:e;""===e||"tabindex"===a&&!1===e?c.removeAttribute(a):c.setAttribute(a,d)}var g={scrolling:{"true":"yes","false":"no"},frameborder:{"true":"1","false":"0"},tabindex:{"true":"-1","false":!1}};
-CKEDITOR.dialog.add("iframe",function(c){var e=c.lang.iframe,a=c.lang.common,g=c.plugins.dialogadvtab;return{title:e.title,minWidth:350,minHeight:260,getModel:function(b){return(b=b.getSelection().getSelectedElement())&&"iframe"===b.data("cke-real-element-type")?b:null},onShow:function(){this.fakeImage=this.iframeNode=null;var b=this.getSelectedElement();b&&b.data("cke-real-element-type")&&"iframe"==b.data("cke-real-element-type")&&(this.fakeImage=b,this.iframeNode=b=c.restoreRealElement(b),this.setupContent(b))},
-onOk:function(){var b;b=this.fakeImage?this.iframeNode:new CKEDITOR.dom.element("iframe");var a={},d={};this.commitContent(b,a,d);b=c.createFakeElement(b,"cke_iframe","iframe",!0);b.setAttributes(d);b.setStyles(a);this.fakeImage?(b.replace(this.fakeImage),c.getSelection().selectElement(b)):c.insertElement(b)},contents:[{id:"info",label:a.generalTab,accessKey:"I",elements:[{type:"vbox",padding:0,children:[{id:"src",type:"text",label:a.url,required:!0,validate:CKEDITOR.dialog.validate.notEmpty(e.noUrl),
-setup:d,commit:f}]},{type:"hbox",children:[{id:"width",type:"text",requiredContent:"iframe[width]",style:"width:100%",labelLayout:"vertical",label:a.width,validate:CKEDITOR.dialog.validate.htmlLength(a.invalidHtmlLength.replace("%1",a.width)),setup:d,commit:f},{id:"height",type:"text",requiredContent:"iframe[height]",style:"width:100%",labelLayout:"vertical",label:a.height,validate:CKEDITOR.dialog.validate.htmlLength(a.invalidHtmlLength.replace("%1",a.height)),setup:d,commit:f},{id:"align",type:"select",
-requiredContent:"iframe[align]","default":"",items:[[a.notSet,""],[a.left,"left"],[a.right,"right"],[a.alignTop,"top"],[a.alignMiddle,"middle"],[a.alignBottom,"bottom"]],style:"width:100%",labelLayout:"vertical",label:a.align,setup:function(a,c){d.apply(this,arguments);if(c){var e=c.getAttribute("align");this.setValue(e&&e.toLowerCase()||"")}},commit:function(a,c,d){f.apply(this,arguments);this.getValue()&&(d.align=this.getValue())}}]},{type:"hbox",widths:["33%","33%","33%"],children:[{id:"scrolling",
-type:"checkbox",requiredContent:"iframe[scrolling]",label:e.scrolling,setup:d,commit:f},{id:"frameborder",type:"checkbox",requiredContent:"iframe[frameborder]",label:e.border,setup:d,commit:f},{id:"tabindex",type:"checkbox",requiredContent:"iframe[tabindex]",label:e.tabindex,setup:d,commit:f}]},{type:"hbox",widths:["50%","50%"],children:[{id:"name",type:"text",requiredContent:"iframe[name]",label:a.name,setup:d,commit:f},{id:"title",type:"text",requiredContent:"iframe[title]",label:a.advisoryTitle,
-setup:d,commit:f}]},{id:"longdesc",type:"text",requiredContent:"iframe[longdesc]",label:a.longDescr,setup:d,commit:f}]},g&&g.createAdvancedTab(c,{id:1,classes:1,styles:1},"iframe")]}})})();
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/iframe/images/placeholder.png b/src/static/ckeditor/plugins/iframe/images/placeholder.png
deleted file mode 100644
index 4af09565..00000000
Binary files a/src/static/ckeditor/plugins/iframe/images/placeholder.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/iframedialog/plugin.js b/src/static/ckeditor/plugins/iframedialog/plugin.js
deleted file mode 100755
index ae2074f5..00000000
--- a/src/static/ckeditor/plugins/iframedialog/plugin.js
+++ /dev/null
@@ -1,8 +0,0 @@
-/*
- Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-CKEDITOR.plugins.add("iframedialog",{requires:"dialog",onLoad:function(){CKEDITOR.dialog.addIframe=function(e,d,a,l,f,n,g){a={type:"iframe",src:a,width:"100%",height:"100%"};a.onContentLoad="function"==typeof n?n:function(){var a=this.getElement().$.contentWindow;if(a.onDialogEvent){var b=this.getDialog(),c=function(b){return a.onDialogEvent(b)};b.on("ok",c);b.on("cancel",c);b.on("resize",c);b.on("hide",function(a){b.removeListener("ok",c);b.removeListener("cancel",c);b.removeListener("resize",c);
-a.removeListener()});a.onDialogEvent({name:"load",sender:this,editor:b._.editor})}};var h={title:d,minWidth:l,minHeight:f,contents:[{id:"iframe",label:d,expand:!0,elements:[a],style:"width:"+a.width+";height:"+a.height}]},k;for(k in g)h[k]=g[k];this.add(e,function(){return h})};(function(){var e=function(d,a,l){if(!(3>arguments.length)){var f=this._||(this._={}),e=a.onContentLoad&&CKEDITOR.tools.bind(a.onContentLoad,this),g=CKEDITOR.tools.cssLength(a.width),h=CKEDITOR.tools.cssLength(a.height);f.frameId=
-CKEDITOR.tools.getNextId()+"_iframe";d.on("load",function(){CKEDITOR.document.getById(f.frameId).getParent().setStyles({width:g,height:h})});var k={src:"%2",id:f.frameId,frameborder:0,allowtransparency:!0},m=[];"function"==typeof a.onContentLoad&&(k.onload="CKEDITOR.tools.callFunction(%1);");CKEDITOR.ui.dialog.uiElement.call(this,d,a,m,"iframe",{width:g,height:h},k,"");l.push('\x3cdiv style\x3d"width:'+g+";height:"+h+';" id\x3d"'+this.domId+'"\x3e\x3c/div\x3e');m=m.join("");d.on("show",function(){var b=
-CKEDITOR.document.getById(f.frameId).getParent(),c=CKEDITOR.tools.addFunction(e),c=m.replace("%1",c).replace("%2",CKEDITOR.tools.htmlEncode(a.src));b.setHtml(c)})}};e.prototype=new CKEDITOR.ui.dialog.uiElement;CKEDITOR.dialog.addUIElement("iframe",{build:function(d,a,l){return new e(d,a,l)}})})()}});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/magicline/images/hidpi/icon-rtl.png b/src/static/ckeditor/plugins/magicline/images/hidpi/icon-rtl.png
deleted file mode 100644
index 4a8d2bfd..00000000
Binary files a/src/static/ckeditor/plugins/magicline/images/hidpi/icon-rtl.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/magicline/images/hidpi/icon.png b/src/static/ckeditor/plugins/magicline/images/hidpi/icon.png
deleted file mode 100644
index b981bb5c..00000000
Binary files a/src/static/ckeditor/plugins/magicline/images/hidpi/icon.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/magicline/images/icon-rtl.png b/src/static/ckeditor/plugins/magicline/images/icon-rtl.png
deleted file mode 100644
index 55b5b5f9..00000000
Binary files a/src/static/ckeditor/plugins/magicline/images/icon-rtl.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/magicline/images/icon.png b/src/static/ckeditor/plugins/magicline/images/icon.png
deleted file mode 100644
index e0634336..00000000
Binary files a/src/static/ckeditor/plugins/magicline/images/icon.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/mathjax/dialogs/mathjax.js b/src/static/ckeditor/plugins/mathjax/dialogs/mathjax.js
deleted file mode 100755
index 563c72f6..00000000
--- a/src/static/ckeditor/plugins/mathjax/dialogs/mathjax.js
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-CKEDITOR.dialog.add("mathjax",function(d){var c,b=d.lang.mathjax;return{title:b.title,minWidth:350,minHeight:100,contents:[{id:"info",elements:[{id:"equation",type:"textarea",label:b.dialogInput,onLoad:function(){var a=this;if(!CKEDITOR.env.ie||8!=CKEDITOR.env.version)this.getInputElement().on("keyup",function(){c.setValue("\\("+a.getInputElement().getValue()+"\\)")})},setup:function(a){this.setValue(CKEDITOR.plugins.mathjax.trim(a.data.math))},commit:function(a){a.setData("math","\\("+this.getValue()+
-"\\)")}},{id:"documentation",type:"html",html:'\x3cdiv style\x3d"width:100%;text-align:right;margin:-8px 0 10px"\x3e\x3ca class\x3d"cke_mathjax_doc" href\x3d"'+b.docUrl+'" target\x3d"_black" style\x3d"cursor:pointer;color:#00B2CE;text-decoration:underline"\x3e'+b.docLabel+"\x3c/a\x3e\x3c/div\x3e"},!(CKEDITOR.env.ie&&8==CKEDITOR.env.version)&&{id:"preview",type:"html",html:'\x3cdiv style\x3d"width:100%;text-align:center;"\x3e\x3ciframe style\x3d"border:0;width:0;height:0;font-size:20px" scrolling\x3d"no" frameborder\x3d"0" allowTransparency\x3d"true" src\x3d"'+
-CKEDITOR.plugins.mathjax.fixSrc+'"\x3e\x3c/iframe\x3e\x3c/div\x3e',onLoad:function(){var a=CKEDITOR.document.getById(this.domId).getChild(0);c=new CKEDITOR.plugins.mathjax.frameWrapper(a,d)},setup:function(a){c.setValue(a.data.math)}}]}]}});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/icons/hidpi/mathjax.png b/src/static/ckeditor/plugins/mathjax/icons/hidpi/mathjax.png
deleted file mode 100755
index 85b8e11d..00000000
Binary files a/src/static/ckeditor/plugins/mathjax/icons/hidpi/mathjax.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/mathjax/icons/mathjax.png b/src/static/ckeditor/plugins/mathjax/icons/mathjax.png
deleted file mode 100755
index d25081be..00000000
Binary files a/src/static/ckeditor/plugins/mathjax/icons/mathjax.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/mathjax/images/loader.gif b/src/static/ckeditor/plugins/mathjax/images/loader.gif
deleted file mode 100755
index 3ffb1811..00000000
Binary files a/src/static/ckeditor/plugins/mathjax/images/loader.gif and /dev/null differ
diff --git a/src/static/ckeditor/plugins/mathjax/lang/af.js b/src/static/ckeditor/plugins/mathjax/lang/af.js
deleted file mode 100755
index ee70c661..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/af.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","af",{title:"Wiskunde in TeX",button:"Wiskunde",dialogInput:"Skryf you Tex hier",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokument",loading:"laai...",pathName:"wiskunde"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/ar.js b/src/static/ckeditor/plugins/mathjax/lang/ar.js
deleted file mode 100755
index 82bbc950..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/ar.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","ar",{title:"الرياصيات في Tex",button:"رياضيات",dialogInput:"أكتب Tex خاصتك هنا",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"وثائق Tex",loading:"جاري التحميل...",pathName:"رياضيات"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/az.js b/src/static/ckeditor/plugins/mathjax/lang/az.js
deleted file mode 100755
index 863d9248..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/az.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","az",{title:"TeX ilə düsturları",button:"Riyaziyyat",dialogInput:"TeX-ini burada yazın",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX üzə nizamnaməsi",loading:"yükləmə...",pathName:"riyaziyyat"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/bg.js b/src/static/ckeditor/plugins/mathjax/lang/bg.js
deleted file mode 100755
index c893aab1..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/bg.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","bg",{title:"Формули в TeX формат",button:"Формули",dialogInput:"Въведете вашите данни с TeX форматиране тук",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX документация",loading:"зареждане...",pathName:"формули"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/ca.js b/src/static/ckeditor/plugins/mathjax/lang/ca.js
deleted file mode 100755
index 33a353dc..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/ca.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","ca",{title:"Matemàtiques a TeX",button:"Matemàtiques",dialogInput:"Escriu el TeX aquí",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Documentació TeX",loading:"carregant...",pathName:"matemàtiques"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/cs.js b/src/static/ckeditor/plugins/mathjax/lang/cs.js
deleted file mode 100755
index e2e0b510..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/cs.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","cs",{title:"Matematika v TeXu",button:"Matematika",dialogInput:"Zde napište TeXový kód",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Dokumentace k TeXu",loading:"Nahrává se...",pathName:"Matematika"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/cy.js b/src/static/ckeditor/plugins/mathjax/lang/cy.js
deleted file mode 100755
index bd919ba0..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/cy.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","cy",{title:"Mathemateg mewn TeX",button:"Math",dialogInput:"Ysgrifennwch eich TeX yma",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Dogfennaeth TeX",loading:"llwytho...",pathName:"math"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/da.js b/src/static/ckeditor/plugins/mathjax/lang/da.js
deleted file mode 100755
index df562af7..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/da.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","da",{title:"Matematik i TeX",button:"Matematik",dialogInput:"Skriv din TeX her",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentation",loading:"henter...",pathName:"matematik"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/de-ch.js b/src/static/ckeditor/plugins/mathjax/lang/de-ch.js
deleted file mode 100755
index 9f72e65d..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/de-ch.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","de-ch",{title:"Mathematik in Tex",button:"Rechnung",dialogInput:"Schreiben Sie hier in Tex",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX-Dokumentation",loading:"Ladevorgang...",pathName:"rechnen"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/de.js b/src/static/ckeditor/plugins/mathjax/lang/de.js
deleted file mode 100755
index 690794bd..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/de.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","de",{title:"TeX-Formel einfügen",button:"TeX-Formel einfügen",dialogInput:"Schreiben Sie hier in Tex",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX-Dokumentation",loading:"Ladevorgang...",pathName:"rechnen"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/el.js b/src/static/ckeditor/plugins/mathjax/lang/el.js
deleted file mode 100755
index d4013e5d..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/el.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","el",{title:"Μαθηματικά με τη γλώσσα TeX",button:"Μαθηματικά",dialogInput:"Γράψτε κώδικα TeX εδώ",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Τεκμηρίωση TeX",loading:"γίνεται φόρτωση…",pathName:"μαθηματικά"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/en-au.js b/src/static/ckeditor/plugins/mathjax/lang/en-au.js
deleted file mode 100755
index 3da31417..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/en-au.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","en-au",{title:"Mathematics in TeX",button:"Maths",dialogInput:"Write your TeX here",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX documentation",loading:"loading...",pathName:"maths"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/en-gb.js b/src/static/ckeditor/plugins/mathjax/lang/en-gb.js
deleted file mode 100755
index d9f0cbde..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/en-gb.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","en-gb",{title:"Mathematics in TeX",button:"Math",dialogInput:"Write you TeX here",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX documentation",loading:"loading...",pathName:"math"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/en.js b/src/static/ckeditor/plugins/mathjax/lang/en.js
deleted file mode 100755
index 9e66c845..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/en.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","en",{title:"Mathematics in TeX",button:"Math",dialogInput:"Write your TeX here",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX documentation",loading:"loading...",pathName:"math"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/eo.js b/src/static/ckeditor/plugins/mathjax/lang/eo.js
deleted file mode 100755
index 4aa7cb49..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/eo.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","eo",{title:"Matematiko en TeX",button:"Matematiko",dialogInput:"Skribu vian TeX tien",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentado",loading:"estas ŝarganta",pathName:"matematiko"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/es-mx.js b/src/static/ckeditor/plugins/mathjax/lang/es-mx.js
deleted file mode 100755
index cc62c4f1..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/es-mx.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","es-mx",{title:"Matemáticas en TeX",button:"Matemáticas",dialogInput:"Escribe tu TeX aquí",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Documentación sobre TeX",loading:"cargando...",pathName:"matemáticas"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/es.js b/src/static/ckeditor/plugins/mathjax/lang/es.js
deleted file mode 100755
index 6ec9e4dc..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/es.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","es",{title:"Matemáticas en TeX",button:"Matemáticas",dialogInput:"Escribe tu TeX aquí",docUrl:"http://es.wikipedia.org/wiki/TeX",docLabel:"Documentación de TeX",loading:"cargando...",pathName:"matemáticas"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/et.js b/src/static/ckeditor/plugins/mathjax/lang/et.js
deleted file mode 100755
index 3ac1fa56..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/et.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","et",{title:"Matemaatika TeX keeles",button:"Matemaatika",dialogInput:"Kirjuta oma TeX kood siia",docUrl:"https://et.wikipedia.org/wiki/LaTeX",docLabel:"TeX dokumentatsioon",loading:"laadimine...",pathName:"matemaatika"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/eu.js b/src/static/ckeditor/plugins/mathjax/lang/eu.js
deleted file mode 100755
index 3c372ab7..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/eu.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","eu",{title:"Matematikak TeX-en",button:"Matematika",dialogInput:"Idatzi zure TeX hemen",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentazioa",loading:"kargatzen...",pathName:"matematika"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/fa.js b/src/static/ckeditor/plugins/mathjax/lang/fa.js
deleted file mode 100755
index d638a840..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/fa.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","fa",{title:"ریاضیات در تک",button:"ریاضی",dialogInput:"فرمول خود را اینجا بنویسید",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"مستندسازی فرمول نویسی",loading:"بارگیری",pathName:"ریاضی"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/fi.js b/src/static/ckeditor/plugins/mathjax/lang/fi.js
deleted file mode 100755
index bd5140c1..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/fi.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","fi",{title:"Matematiikkaa TeX:llä",button:"Matematiikka",dialogInput:"Kirjoita TeX:iä tähän",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentaatio",loading:"lataa...",pathName:"matematiikka"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/fr.js b/src/static/ckeditor/plugins/mathjax/lang/fr.js
deleted file mode 100755
index b24e55de..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/fr.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","fr",{title:"Formules mathématiques en TeX",button:"Maths",dialogInput:"Saisir la formule TeX ici",docUrl:"http://fr.wikibooks.org/wiki/LaTeX/Math%C3%A9matiques",docLabel:"Documentation de TeX",loading:"chargement...",pathName:"maths"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/gl.js b/src/static/ckeditor/plugins/mathjax/lang/gl.js
deleted file mode 100755
index 0657f1f9..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/gl.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","gl",{title:"Matemáticas en TeX",button:"Matemáticas",dialogInput:"Escriba o seu TeX aquí",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Documentación de TeX",loading:"cargando...",pathName:"matemáticas"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/he.js b/src/static/ckeditor/plugins/mathjax/lang/he.js
deleted file mode 100755
index 9e5c21dc..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/he.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","he",{title:"מתמטיקה בTeX",button:"מתמטיקה",dialogInput:"כתוב את הTeX שלך כאן",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"תיעוד TeX",loading:"טוען...",pathName:"מתמטיקה"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/hr.js b/src/static/ckeditor/plugins/mathjax/lang/hr.js
deleted file mode 100755
index 6e90bd5b..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/hr.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","hr",{title:"Matematika u TeXu",button:"Matematika",dialogInput:"Napiši svoj TeX ovdje",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentacija",loading:"učitavanje...",pathName:"matematika"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/hu.js b/src/static/ckeditor/plugins/mathjax/lang/hu.js
deleted file mode 100755
index 3ab4b748..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/hu.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","hu",{title:"Matematika a TeX-ben",button:"Matek",dialogInput:"Írd a TeX-ed ide",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentáció",loading:"töltés...",pathName:"matek"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/id.js b/src/static/ckeditor/plugins/mathjax/lang/id.js
deleted file mode 100755
index 4dcbf825..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/id.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","id",{title:"Mathematics in TeX",button:"Matematika",dialogInput:"Tulis Tex anda disini",docUrl:"http:// MISSING //en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX documentation",loading:"memuat...",pathName:"math"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/it.js b/src/static/ckeditor/plugins/mathjax/lang/it.js
deleted file mode 100755
index a91094a0..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/it.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","it",{title:"Formule in TeX",button:"Formule",dialogInput:"Scrivere qui il proprio TeX",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Documentazione TeX",loading:"caricamento…",pathName:"formula"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/ja.js b/src/static/ckeditor/plugins/mathjax/lang/ja.js
deleted file mode 100755
index 0141ecd7..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/ja.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","ja",{title:"TeX形式の数式",button:"数式",dialogInput:"TeX形式の数式を入力してください",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeXの解説",loading:"読み込み中…",pathName:"math"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/km.js b/src/static/ckeditor/plugins/mathjax/lang/km.js
deleted file mode 100755
index d68d998f..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/km.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","km",{title:"គណិត​វិទ្យា​ក្នុង TeX",button:"គណិត",dialogInput:"សរសេរ TeX របស់​អ្នក​នៅ​ទីនេះ",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"ឯកសារ​អត្ថបទ​ពី ​TeX",loading:"កំពុង​ផ្ទុក..",pathName:"គណិត"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/ko.js b/src/static/ckeditor/plugins/mathjax/lang/ko.js
deleted file mode 100755
index 2d0d8f58..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/ko.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","ko",{title:"TeX 문법 수식",button:"수식",dialogInput:"여기 TeX 를 입력하세요",docUrl:"http://ko.wikipedia.org/wiki/%EC%9C%84%ED%82%A4%EB%B0%B1%EA%B3%BC:TeX_%EB%AC%B8%EB%B2%95",docLabel:"TeX 문서",loading:"불러오는 중...",pathName:"수식"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/ku.js b/src/static/ckeditor/plugins/mathjax/lang/ku.js
deleted file mode 100755
index 84f225a0..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/ku.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","ku",{title:"بیرکاری لە TeX",button:"بیرکاری",dialogInput:"TeXەکەت لێرە بنووسە",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"بەڵگەنامەکردنی TeX",loading:"بارکردن...",pathName:"بیرکاری"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/lt.js b/src/static/ckeditor/plugins/mathjax/lang/lt.js
deleted file mode 100755
index 7b2c3e85..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/lt.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","lt",{title:"Matematika per TeX",button:"Matematika",dialogInput:"Parašyk savo TeX čia",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX žinynas",loading:"kraunasi...",pathName:"matematika"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/lv.js b/src/static/ckeditor/plugins/mathjax/lang/lv.js
deleted file mode 100755
index 10a09eaf..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/lv.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","lv",{title:"Matemātika TeX valodā",button:"Matemātika",dialogInput:"Ieraksti savu TeX te",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentācija",loading:"ielāde...",pathName:"matemātika"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/nb.js b/src/static/ckeditor/plugins/mathjax/lang/nb.js
deleted file mode 100755
index 8e0d39d5..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/nb.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","nb",{title:"Matematikk i TeX",button:"Matematikk",dialogInput:"Skriv TeX-koden her",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX-dokumentasjon",loading:"laster...",pathName:"matematikk"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/nl.js b/src/static/ckeditor/plugins/mathjax/lang/nl.js
deleted file mode 100755
index fe9cf316..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/nl.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","nl",{title:"Wiskunde in TeX",button:"Wiskunde",dialogInput:"Typ hier uw TeX",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX documentatie",loading:"laden...",pathName:"wiskunde"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/no.js b/src/static/ckeditor/plugins/mathjax/lang/no.js
deleted file mode 100755
index 33e87aba..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/no.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","no",{title:"Matematikk i TeX",button:"Matte",dialogInput:"Skriv TeX-koden her",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX-dokumentasjon",loading:"laster...",pathName:"matte"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/oc.js b/src/static/ckeditor/plugins/mathjax/lang/oc.js
deleted file mode 100755
index 06385da6..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/oc.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","oc",{title:"Formulas matematicas en TeX",button:"Matematicas",dialogInput:"Sasir la formula TeX aicí",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Documentacion de TeX",loading:"cargament...",pathName:"matematicas"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/pl.js b/src/static/ckeditor/plugins/mathjax/lang/pl.js
deleted file mode 100755
index 70f2be53..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/pl.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","pl",{title:"Wzory matematyczne w TeX",button:"Wzory matematyczne",dialogInput:"Wpisz wyrażenie w TeX",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Dokumentacja TeX",loading:"ładowanie...",pathName:"matematyka"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/pt-br.js b/src/static/ckeditor/plugins/mathjax/lang/pt-br.js
deleted file mode 100755
index 6b9620d0..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/pt-br.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","pt-br",{title:"Matemática em TeX",button:"Matemática",dialogInput:"Escreva seu TeX aqui",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Documentação TeX",loading:"carregando...",pathName:"Matemática"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/pt.js b/src/static/ckeditor/plugins/mathjax/lang/pt.js
deleted file mode 100755
index 29c7cfca..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/pt.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","pt",{title:"Matemática em TeX",button:"Matemática",dialogInput:"Escreva aqui o seu TeX",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Documentação TeX",loading:"a carregar ...",pathName:"matemática"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/ro.js b/src/static/ckeditor/plugins/mathjax/lang/ro.js
deleted file mode 100755
index 72c606cb..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/ro.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","ro",{title:"Matematici in TeX",button:"Matematici",dialogInput:"Scrie TeX-ul aici",docUrl:"http://ro.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Documentatie TeX",loading:"încarcă...",pathName:"matematici"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/ru.js b/src/static/ckeditor/plugins/mathjax/lang/ru.js
deleted file mode 100755
index a48da75f..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/ru.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","ru",{title:"Математика в TeX-системе",button:"Математика",dialogInput:"Введите здесь TeX",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX документация",loading:"загрузка...",pathName:"мат."});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/sk.js b/src/static/ckeditor/plugins/mathjax/lang/sk.js
deleted file mode 100755
index 299c30a9..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/sk.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","sk",{title:"Matematika v TeX-u",button:"Matematika",dialogInput:"Napíšte svoj TeX sem",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Dokumentácia TeX",loading:"načítavanie...",pathName:"matematika"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/sl.js b/src/static/ckeditor/plugins/mathjax/lang/sl.js
deleted file mode 100755
index c8df95b5..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/sl.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","sl",{title:"Matematika v TeX",button:"Matematika",dialogInput:"Napišite svoj TeX tukaj",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentacija",loading:"nalaganje...",pathName:"matematika"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/sq.js b/src/static/ckeditor/plugins/mathjax/lang/sq.js
deleted file mode 100755
index 7416e77e..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/sq.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","sq",{title:"Matematikë në TeX",button:"Matematikë",dialogInput:"Shkruani TeX-in tuaj këtu",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Tex dokumentimi",loading:"duke u hapur...",pathName:"matematikë"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/sr-latn.js b/src/static/ckeditor/plugins/mathjax/lang/sr-latn.js
deleted file mode 100755
index 1157ef97..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/sr-latn.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","sr-latn",{title:"Matematika u TeX-u",button:"Matematika",dialogInput:"Napiši svoj TeX ovde",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentacija",loading:"postavljanje....",pathName:"matematika"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/sr.js b/src/static/ckeditor/plugins/mathjax/lang/sr.js
deleted file mode 100755
index e534fc13..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/sr.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","sr",{title:"Математика у TeX-у",button:"Математика",dialogInput:"Напиши свој TeX овде",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX документација",loading:"постављање...",pathName:"математика"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/sv.js b/src/static/ckeditor/plugins/mathjax/lang/sv.js
deleted file mode 100755
index 8d93cc0d..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/sv.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","sv",{title:"Mattematik i TeX",button:"Matte",dialogInput:"Skriv din TeX här",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX dokumentation",loading:"laddar...",pathName:"matte"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/tr.js b/src/static/ckeditor/plugins/mathjax/lang/tr.js
deleted file mode 100755
index a2925f17..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/tr.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","tr",{title:"TeX ile Matematik",button:"Matematik",dialogInput:"TeX kodunuzu buraya yazın",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX yardım dökümanı",loading:"yükleniyor...",pathName:"matematik"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/tt.js b/src/static/ckeditor/plugins/mathjax/lang/tt.js
deleted file mode 100755
index 44003bdc..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/tt.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","tt",{title:"TeX'та математика",button:"Математика",dialogInput:"Биредә TeX форматында аңлатмагызны языгыз",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX турыдна документлар",loading:"йөкләнә...",pathName:"математика"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/ug.js b/src/static/ckeditor/plugins/mathjax/lang/ug.js
deleted file mode 100755
index 649c0354..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/ug.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","ug",{title:"TeX شەكلىدىكى ماتېماتىكا فورمۇلا تەھرىرلىگۈچ",button:"ماتېماتىكا فورمۇلا",dialogInput:"بۇ جايغا TeX ڭىزنى يېزىڭ",docUrl:"http:// MISSING //en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX documentation",loading:"loading...",pathName:"math"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/uk.js b/src/static/ckeditor/plugins/mathjax/lang/uk.js
deleted file mode 100755
index 77875f4e..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/uk.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","uk",{title:"Математика у TeX",button:"Математика",dialogInput:"Наберіть тут на TeX'у",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Документація про TeX",loading:"завантажується…",pathName:"математика"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/vi.js b/src/static/ckeditor/plugins/mathjax/lang/vi.js
deleted file mode 100755
index 66961038..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/vi.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","vi",{title:"Toán học bằng TeX",button:"Toán",dialogInput:"Nhập mã TeX ở đây",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"Tài liệu TeX",loading:"đang nạp...",pathName:"toán"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/zh-cn.js b/src/static/ckeditor/plugins/mathjax/lang/zh-cn.js
deleted file mode 100755
index ea9ad35e..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/zh-cn.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","zh-cn",{title:"TeX 语法的数学公式编辑器",button:"数学公式",dialogInput:"在此编写您的 TeX 指令",docUrl:"http://zh.wikipedia.org/wiki/TeX",docLabel:"TeX 语法（可以参考维基百科自身关于数学公式显示方式的帮助）",loading:"正在加载...",pathName:"数字公式"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/lang/zh.js b/src/static/ckeditor/plugins/mathjax/lang/zh.js
deleted file mode 100755
index 84cdab1c..00000000
--- a/src/static/ckeditor/plugins/mathjax/lang/zh.js
+++ /dev/null
@@ -1 +0,0 @@
-CKEDITOR.plugins.setLang("mathjax","zh",{title:"以 TeX 表示數學",button:"數學",dialogInput:"請輸入 TeX",docUrl:"http://en.wikibooks.org/wiki/LaTeX/Mathematics",docLabel:"TeX 說明文件",loading:"載入中…",pathName:"數學"});
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mathjax/plugin.js b/src/static/ckeditor/plugins/mathjax/plugin.js
deleted file mode 100755
index b442d0b8..00000000
--- a/src/static/ckeditor/plugins/mathjax/plugin.js
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-(function(){CKEDITOR.plugins.add("mathjax",{lang:"af,ar,az,bg,ca,cs,cy,da,de,de-ch,el,en,en-au,en-gb,eo,es,es-mx,et,eu,fa,fi,fr,gl,he,hr,hu,id,it,ja,km,ko,ku,lt,lv,nb,nl,no,oc,pl,pt,pt-br,ro,ru,sk,sl,sq,sr,sr-latn,sv,tr,tt,ug,uk,vi,zh,zh-cn",requires:"widget,dialog",icons:"mathjax",hidpi:!0,isSupportedEnvironment:function(){return!CKEDITOR.env.ie||8<CKEDITOR.env.version},init:function(b){var c=b.config.mathJaxClass||"math-tex";b.config.mathJaxLib||CKEDITOR.error("mathjax-no-config");b.widgets.add("mathjax",
-{inline:!0,dialog:"mathjax",button:b.lang.mathjax.button,mask:!0,allowedContent:"span(!"+c+")",styleToAllowedContentRules:function(a){a=a.getClassesArray();if(!a)return null;a.push("!"+c);return"span("+a.join(",")+")"},pathName:b.lang.mathjax.pathName,template:'\x3cspan class\x3d"'+c+'" style\x3d"display:inline-block" data-cke-survive\x3d1\x3e\x3c/span\x3e',parts:{span:"span"},defaults:{math:"\\(x \x3d {-b \\pm \\sqrt{b^2-4ac} \\over 2a}\\)"},init:function(){var a=this.parts.span.getChild(0);a&&a.type==
-CKEDITOR.NODE_ELEMENT&&a.is("iframe")||(a=new CKEDITOR.dom.element("iframe"),a.setAttributes({style:"border:0;width:0;height:0",scrolling:"no",frameborder:0,allowTransparency:!0,src:CKEDITOR.plugins.mathjax.fixSrc}),this.parts.span.append(a));this.once("ready",function(){CKEDITOR.env.ie&&a.setAttribute("src",CKEDITOR.plugins.mathjax.fixSrc);this.frameWrapper=new CKEDITOR.plugins.mathjax.frameWrapper(a,b);this.frameWrapper.setValue(this.data.math)})},data:function(){this.frameWrapper&&this.frameWrapper.setValue(this.data.math)},
-upcast:function(a,b){if("span"==a.name&&a.hasClass(c)&&!(1<a.children.length||a.children[0].type!=CKEDITOR.NODE_TEXT)){b.math=CKEDITOR.tools.htmlDecode(a.children[0].value);var d=a.attributes;d.style=d.style?d.style+";display:inline-block":"display:inline-block";d["data-cke-survive"]=1;a.children[0].remove();return a}},downcast:function(a){a.children[0].replaceWith(new CKEDITOR.htmlParser.text(CKEDITOR.tools.htmlEncode(this.data.math)));var b=a.attributes;b.style=b.style.replace(/display:\s?inline-block;?\s?/,
-"");""===b.style&&delete b.style;return a}});CKEDITOR.dialog.add("mathjax",this.path+"dialogs/mathjax.js");b.on("contentPreview",function(a){a.data.dataValue=a.data.dataValue.replace(/<\/head>/,'\x3cscript src\x3d"'+CKEDITOR.getUrl(b.config.mathJaxLib)+'"\x3e\x3c/script\x3e\x3c/head\x3e')});b.on("paste",function(a){a.data.dataValue=a.data.dataValue.replace(new RegExp("\x3cspan[^\x3e]*?"+c+".*?\x3c/span\x3e","ig"),function(a){return a.replace(/(<iframe.*?\/iframe>)/i,"")})})}});CKEDITOR.plugins.mathjax=
-{};CKEDITOR.plugins.mathjax.fixSrc=CKEDITOR.env.gecko?"javascript:true":CKEDITOR.env.ie?"javascript:void((function(){"+encodeURIComponent("document.open();("+CKEDITOR.tools.fixDomain+")();document.close();")+"})())":"javascript:void(0)";CKEDITOR.plugins.mathjax.loadingIcon=CKEDITOR.plugins.get("mathjax").path+"images/loader.gif";CKEDITOR.plugins.mathjax.copyStyles=function(b,c){for(var a="color font-family font-style font-weight font-variant font-size".split(" "),e=0;e<a.length;e++){var d=a[e],g=
-b.getComputedStyle(d);g&&c.setStyle(d,g)}};CKEDITOR.plugins.mathjax.trim=function(b){var c=b.indexOf("\\(")+2,a=b.lastIndexOf("\\)");return b.substring(c,a)};CKEDITOR.plugins.mathjax.frameWrapper=CKEDITOR.env.ie&&8==CKEDITOR.env.version?function(b,c){b.getFrameDocument().write('\x3c!DOCTYPE html\x3e\x3chtml\x3e\x3chead\x3e\x3cmeta charset\x3d"utf-8"\x3e\x3c/head\x3e\x3cbody style\x3d"padding:0;margin:0;background:transparent;overflow:hidden"\x3e\x3cspan style\x3d"white-space:nowrap;" id\x3d"tex"\x3e\x3c/span\x3e\x3c/body\x3e\x3c/html\x3e');
-return{setValue:function(a){var e=b.getFrameDocument(),d=e.getById("tex");d.setHtml(CKEDITOR.plugins.mathjax.trim(CKEDITOR.tools.htmlEncode(a)));CKEDITOR.plugins.mathjax.copyStyles(b,d);c.fire("lockSnapshot");b.setStyles({width:Math.min(250,d.$.offsetWidth)+"px",height:e.$.body.offsetHeight+"px",display:"inline","vertical-align":"middle"});c.fire("unlockSnapshot")}}}:function(b,c){function a(){f=b.getFrameDocument();f.getById("preview")||(CKEDITOR.env.ie&&b.removeAttribute("src"),f.write('\x3c!DOCTYPE html\x3e\x3chtml\x3e\x3chead\x3e\x3cmeta charset\x3d"utf-8"\x3e\x3cscript type\x3d"text/x-mathjax-config"\x3eMathJax.Hub.Config( {showMathMenu: false,messageStyle: "none"} );function getCKE() {if ( typeof window.parent.CKEDITOR \x3d\x3d \'object\' ) {return window.parent.CKEDITOR;} else {return window.parent.parent.CKEDITOR;}}function update() {MathJax.Hub.Queue([ \'Typeset\', MathJax.Hub, this.buffer ],function() {getCKE().tools.callFunction( '+
-n+" );});}MathJax.Hub.Queue( function() {getCKE().tools.callFunction("+p+');} );\x3c/script\x3e\x3cscript src\x3d"'+c.config.mathJaxLib+'"\x3e\x3c/script\x3e\x3c/head\x3e\x3cbody style\x3d"padding:0;margin:0;background:transparent;overflow:hidden"\x3e\x3cspan id\x3d"preview"\x3e\x3c/span\x3e\x3cspan id\x3d"buffer" style\x3d"display:none"\x3e\x3c/span\x3e\x3c/body\x3e\x3c/html\x3e'))}function e(){m=!0;h=k;c.fire("lockSnapshot");d.setHtml(h);g.setHtml("\x3cimg src\x3d"+CKEDITOR.plugins.mathjax.loadingIcon+
-" alt\x3d"+c.lang.mathjax.loading+"\x3e");b.setStyles({height:"16px",width:"16px",display:"inline","vertical-align":"middle"});c.fire("unlockSnapshot");f.getWindow().$.update(h)}var d,g,h,k,f=b.getFrameDocument(),l=!1,m=!1,p=CKEDITOR.tools.addFunction(function(){g=f.getById("preview");d=f.getById("buffer");l=!0;k&&e();CKEDITOR.fire("mathJaxLoaded",b)}),n=CKEDITOR.tools.addFunction(function(){CKEDITOR.plugins.mathjax.copyStyles(b,g);g.setHtml(d.getHtml());c.fire("lockSnapshot");b.setStyles({height:0,
-width:0});var a=Math.max(f.$.body.offsetHeight,f.$.documentElement.offsetHeight),l=Math.max(g.$.offsetWidth,f.$.body.scrollWidth);b.setStyles({height:a+"px",width:l+"px"});c.fire("unlockSnapshot");CKEDITOR.fire("mathJaxUpdateDone",b);h!=k?e():m=!1});b.on("load",a);a();return{setValue:function(a){k=CKEDITOR.tools.htmlEncode(a);l&&!m&&e()}}}})();
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/mentions/plugin.js b/src/static/ckeditor/plugins/mentions/plugin.js
deleted file mode 100755
index 33c17e9f..00000000
--- a/src/static/ckeditor/plugins/mentions/plugin.js
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-(function(){function h(a,b){var d=b.feed;this.caseSensitive=b.caseSensitive;this.marker=b.hasOwnProperty("marker")?b.marker:"@";this.minChars=null!==b.minChars&&void 0!==b.minChars?b.minChars:2;var c;if(!(c=b.pattern)){c=this.minChars;var g="\\"+this.marker+"[_a-zA-Z0-9À-ž]",g=(c?g+("{"+c+",}"):g+"*")+"$";c=new RegExp(g)}this.pattern=c;this.cache=void 0!==b.cache?b.cache:!0;this.throttle=void 0!==b.throttle?b.throttle:200;this._autocomplete=new CKEDITOR.plugins.autocomplete(a,{textTestCallback:k(this.marker,
-this.minChars,this.pattern),dataCallback:m(d,this),itemTemplate:b.itemTemplate,outputTemplate:b.outputTemplate,throttle:this.throttle,itemsLimit:b.itemsLimit})}function k(a,b,d){function c(b,a){var c=b.slice(0,a).match(d);if(!c)return null;var e=b[c.index-1];return void 0===e||e.match(/\s+/)?{start:c.index,end:a}:null}return function(b){return b.collapsed?CKEDITOR.plugins.textMatch.match(b,c):null}}function m(a,b){return function(d,c){function g(){var c=h(a).filter(function(a){a=a.name;b.caseSensitive||
-(a=a.toLowerCase(),f=f.toLowerCase());return 0===a.indexOf(f)});e(c)}function h(b){var a=1;return CKEDITOR.tools.array.reduce(b,function(b,c){b.push({name:c,id:a++});return b},[])}function k(){var c=(new CKEDITOR.template(a)).output({encodedQuery:encodeURIComponent(f)});if(b.cache&&l[c])return e(l[c]);CKEDITOR.ajax.load(c,function(a){a=JSON.parse(a);b.cache&&null!==a&&(l[c]=a);e(a)})}function e(a){a&&(a=CKEDITOR.tools.array.map(a,function(a){return CKEDITOR.tools.object.merge(a,{name:b.marker+a.name})}),
-c(a))}var f=d.query;b.marker&&(f=f.substring(b.marker.length));CKEDITOR.tools.array.isArray(a)?g():"string"===typeof a?k():a({query:f,marker:b.marker},e)}}CKEDITOR._.mentions={cache:{}};var l=CKEDITOR._.mentions.cache;CKEDITOR.plugins.add("mentions",{requires:"autocomplete,textmatch,ajax",instances:[],init:function(a){var b=this;a.on("instanceReady",function(){CKEDITOR.tools.array.forEach(a.config.mentions||[],function(d){b.instances.push(new h(a,d))})})},isSupportedEnvironment:function(a){return a.plugins.autocomplete.isSupportedEnvironment(a)}});
-h.prototype={destroy:function(){this._autocomplete.destroy()}};CKEDITOR.plugins.mentions=h})();
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/scayt/CHANGELOG.md b/src/static/ckeditor/plugins/scayt/CHANGELOG.md
deleted file mode 100644
index ebd566ca..00000000
--- a/src/static/ckeditor/plugins/scayt/CHANGELOG.md
+++ /dev/null
@@ -1,4 +0,0 @@
-SCAYT plugin for CKEditor 4 Changelog
-====================
-
-The full changelog of the SCAYT plugin for CKEditor 4 can be found on our website under the [release notes](https://webspellchecker.com/release-notes/) section.
diff --git a/src/static/ckeditor/plugins/scayt/LICENSE.md b/src/static/ckeditor/plugins/scayt/LICENSE.md
deleted file mode 100644
index 844ab4de..00000000
--- a/src/static/ckeditor/plugins/scayt/LICENSE.md
+++ /dev/null
@@ -1,28 +0,0 @@
-Software License Agreement
-==========================
-
-**CKEditor SCAYT Plugin**
-Copyright &copy; 2012, [CKSource](http://cksource.com) - Frederico Knabben. All rights reserved.
-
-Licensed under the terms of any of the following licenses at your choice:
-
-*   GNU General Public License Version 2 or later (the "GPL"):
-    http://www.gnu.org/licenses/gpl.html
-
-*   GNU Lesser General Public License Version 2.1 or later (the "LGPL"):
-    http://www.gnu.org/licenses/lgpl.html
-
-*   Mozilla Public License Version 1.1 or later (the "MPL"):
-    http://www.mozilla.org/MPL/MPL-1.1.html
-
-You are not required to, but if you want to explicitly declare the license you have chosen to be bound to when using, reproducing, modifying and distributing this software, just include a text file titled "legal.txt" in your version of this software, indicating your license choice.
-
-Sources of Intellectual Property Included in this plugin
---------------------------------------------------------
-
-Where not otherwise indicated, all plugin content is authored by CKSource engineers and consists of CKSource-owned intellectual property. In some specific instances, the plugin will incorporate work done by developers outside of CKSource with their express permission.
-
-Trademarks
-----------
-
-CKEditor is a trademark of CKSource - Frederico Knabben. All other brand and product names are trademarks, registered trademarks or service marks of their respective holders.
diff --git a/src/static/ckeditor/plugins/scayt/README.md b/src/static/ckeditor/plugins/scayt/README.md
deleted file mode 100644
index 6d234cde..00000000
--- a/src/static/ckeditor/plugins/scayt/README.md
+++ /dev/null
@@ -1,81 +0,0 @@
-SCAYT plugin for CKEditor 4
-=====================
-
-SpellCheckAsYouType (SCAYT) instantly underlines spelling and grammar errors while users type. To correct spelling or grammar error, a user simply needs to right-click the marked word to select from suggested corrections.
-![SCAYT Plugin for CKEditor 4 View](https://webspellchecker.com/app/images/scayt_plugin_for_ckeditor4.png)
-
-This plugin brings the multi-language SCAYT functionality into CKEditor 4. It is integrated by default starting with [Standard Package of CKEditor 4](https://ckeditor.com/ckeditor-4/download/). You can find it on the CKEditor 4 toolbar panel under the ABC button (Enable SCAYT).
-
-If your version of CKEditor doesn’t have SCAYT built-in, you can easily add it by following the steps outlined in the Get Started section.
-
-The default version of SCAYT plugin for CKEditor 4 is using the free services of WebSpellChecker. It is provided with a banner ad and has some [limitations](https://docs.webspellchecker.net/display/WebSpellCheckerCloud/Free+and+Paid+WebSpellChecker+Cloud+Services+Comparison+for+CKEditor).
-
-To lift the limitations and get rid of the banner, [obtain a license](https://webspellchecker.com/wsc-scayt-ckeditor4/#pricing). Depending on your needs, you can choose a Cloud-based or Server (self-hosted) solution.
-
-Demo
-------------
-SCAYT plugin for CKEditor 4: https://webspellchecker.com/wsc-scayt-ckeditor4/
-
-Supported languages
-------------
-
-The SCAYT plugin for CKEditor as a part of the free services supports the next languages for check spelling: American English, British English, Canadian English, Canadian French, Danish, Dutch, Finnish, French, German, Greek, Italian, Norwegian Bokmal, Spanish, Swedish.
-
-There are also additional languages and specialized dictionaries available for a commercial license, you can check the full list [here](https://webspellchecker.com/additional-dictionaries/).
-
-Get started
-------------
-
-1. Clone/copy this repository contents in a new "plugins/scayt" folder in your CKEditor installation.
-2. Enable the "scayt" plugin in the CKEditor configuration file (config.js):
-
-        config.extraPlugins = 'scayt';
-
-That's all. SCAYT will appear on the editor toolbar under the ABC button and will be ready to use.
-
-Supported browsers
--------
-
-This is the list of officially supported browsers for the SCAYT plugin for CKEditor 4. SCAYT may also work in other browsers and environments but we unable to check all of them and guarantee proper work.
-
-* Chrome (the latest)
-* Firefox (the latest)
-* Safari (the latest)
-* MS Edge (the latest)
-* Internet Explorer 8.0 (limited support)
-* Internet Explorer 9.0+ (close to full support)
-
-Note: All browsers are to be supported for web pages that work in Standards Mode.
-
-Resources
--------
-
-* Demo: https://webspellchecker.com/wsc-scayt-ckeditor4/
-* Documentation: https://docs.webspellchecker.net/
-* YouTube video “How to Configure CKEditor 4 and SpellCheckAsYouType Plugin”: https://youtu.be/D0ahmVjYBq8
-* Term of Service: https://webspellchecker.com/terms-of-service/
-* CKEditor’s How-Tos for SCAYT: https://ckeditor.com/docs/ckeditor4/latest/guide/dev_howtos_scayt.html
-* CKEditor’s example of SCAYT: https://ckeditor.com/docs/ckeditor4/latest/examples/spellchecker.html
-
-Technical support or questions
--------
-
-In cooperation with the CKEditor team, during the past 10 years we have simplified the installation and built the extensive amount of documentation devoted to SCAYT plugin for CKEditor 4 and less.
-
-If you are experiencing any difficulties with the setup of the plugin, please check the links provided in the Resources section.
-
-Holders of an active subscription to the services or a commercial license have access to professional technical assistance directly from the WebSpellChecker team. [Contact us here](https://webspellchecker.com/contact-us/)!
-
-Reporting issues
--------
-
-Please use the [SCAYT plugin for CKEditor 4 GitHub issue page](https://github.com/WebSpellChecker/ckeditor-plugin-scayt/issues) to report bugs and feature requests. We will do our best to reply at our earliest convenience.
-
-License
--------
-
-This plugin is licensed under the terms of any of the following licenses at your choice: [GPL](http://www.gnu.org/licenses/gpl.html), [LGPL](http://www.gnu.org/licenses/lgpl.html) and [MPL](http://www.mozilla.org/MPL/MPL-1.1.html).
-
-See LICENSE.md for more information.
-
-Developed by [WebSpellChecker](https://webspellchecker.com/) in cooperation with CKSource.
diff --git a/src/static/ckeditor/plugins/scayt/dialogs/dialog.css b/src/static/ckeditor/plugins/scayt/dialogs/dialog.css
deleted file mode 100644
index aef75684..00000000
--- a/src/static/ckeditor/plugins/scayt/dialogs/dialog.css
+++ /dev/null
@@ -1,23 +0,0 @@
-div.cke_dialog_ui_scaytItemList {
-	border: 1px solid #c9cccf;
-}
-
-.cke_scaytItemList-child {
-	position: relative;
-	padding: 6px 30px 6px 5px;
-	overflow: hidden;
-	text-overflow: ellipsis;
-	white-space: nowrap;
-}
-
-.cke_scaytItemList-child:hover {
-	background: #ebebeb;
-}
-
-.cke_scaytItemList-child .cke_scaytItemList_remove {
-	position: absolute;
-	top: 0;
-	right: 5px;
-	width: 26px;
-	height: 26px;
-}
diff --git a/src/static/ckeditor/plugins/scayt/dialogs/options.js b/src/static/ckeditor/plugins/scayt/dialogs/options.js
deleted file mode 100644
index e47c97e9..00000000
--- a/src/static/ckeditor/plugins/scayt/dialogs/options.js
+++ /dev/null
@@ -1,32 +0,0 @@
-CKEDITOR.dialog.add("scaytDialog",function(d){var c=d.scayt,k='\x3cp\x3e\x3cimg alt\x3d"logo" title\x3d"logo" src\x3d"'+c.getLogo()+'" /\x3e\x3c/p\x3e\x3cp\x3e'+c.getLocal("version")+c.getVersion()+'\x3c/p\x3e\x3cp\x3e\x3ca href\x3d"'+c.getOption("CKUserManual")+'" target\x3d"_blank" style\x3d"text-decoration: underline; color: blue; cursor: pointer;"\x3e'+c.getLocal("btn_userManual")+"\x3c/a\x3e\x3c/p\x3e\x3cp\x3e"+c.getLocal("text_copyrights")+"\x3c/p\x3e",n=CKEDITOR.document,l={isChanged:function(){return null===
-this.newLang||this.currentLang===this.newLang?!1:!0},currentLang:c.getLang(),newLang:null,reset:function(){this.currentLang=c.getLang();this.newLang=null},id:"lang"},k=[{id:"options",label:c.getLocal("tab_options"),onShow:function(){},elements:[{type:"vbox",id:"scaytOptions",children:function(){var b=c.getApplicationConfig(),a=[],g={"ignore-all-caps-words":"label_allCaps","ignore-domain-names":"label_ignoreDomainNames","ignore-words-with-mixed-cases":"label_mixedCase","ignore-words-with-numbers":"label_mixedWithDigits"},
-h;for(h in b)b={type:"checkbox"},b.id=h,b.label=c.getLocal(g[h]),a.push(b);return a}(),onShow:function(){this.getChild();for(var b=d.scayt,a=0;a<this.getChild().length;a++)this.getChild()[a].setValue(b.getApplicationConfig()[this.getChild()[a].id])}}]},{id:"langs",label:c.getLocal("tab_languages"),elements:[{id:"leftLangColumn",type:"vbox",align:"left",widths:["100"],children:[{type:"html",id:"langBox",style:"overflow: hidden; white-space: normal;margin-bottom:15px;",html:'\x3cdiv\x3e\x3cdiv style\x3d"float:left;width:45%;margin-left:5px;" id\x3d"left-col-'+
-d.name+'" class\x3d"scayt-lang-list"\x3e\x3c/div\x3e\x3cdiv style\x3d"float:left;width:45%;margin-left:15px;" id\x3d"right-col-'+d.name+'" class\x3d"scayt-lang-list"\x3e\x3c/div\x3e\x3c/div\x3e',onShow:function(){var b=d.scayt.getLang();n.getById("scaytLang_"+d.name+"_"+b).$.checked=!0}}]}]},{id:"dictionaries",label:c.getLocal("tab_dictionaries"),elements:[{type:"vbox",id:"rightCol_col__left",children:[{type:"html",id:"dictionaryNote",html:""},{type:"text",id:"dictionaryName",label:c.getLocal("label_fieldNameDic")||
-"Dictionary name",onShow:function(b){var a=b.sender,g=d.scayt;b=SCAYT.prototype.UILib;var h=a.getContentElement("dictionaries","dictionaryName").getInputElement().$;g.isLicensed()||(h.disabled=!0,b.css(h,{cursor:"not-allowed"}));setTimeout(function(){a.getContentElement("dictionaries","dictionaryNote").getElement().setText("");null!=g.getUserDictionaryName()&&""!=g.getUserDictionaryName()&&a.getContentElement("dictionaries","dictionaryName").setValue(g.getUserDictionaryName())},0)}},{type:"hbox",
-id:"udButtonsHolder",align:"left",widths:["auto"],style:"width:auto;",children:[{type:"button",id:"createDic",label:c.getLocal("btn_createDic"),title:c.getLocal("btn_createDic"),onLoad:function(){this.getDialog();var b=d.scayt,a=SCAYT.prototype.UILib,g=this.getElement().$,h=this.getElement().getChild(0).$;b.isLicensed()||(a.css(g,{cursor:"not-allowed"}),a.css(h,{cursor:"not-allowed"}))},onClick:function(){var b=this.getDialog(),a=f,g=d.scayt,h=b.getContentElement("dictionaries","dictionaryName").getValue();
-g.isLicensed()&&g.createUserDictionary(h,function(e){e.error||a.toggleDictionaryState.call(b,"dictionaryState");e.dialog=b;e.command="create";e.name=h;d.fire("scaytUserDictionaryAction",e)},function(a){a.dialog=b;a.command="create";a.name=h;d.fire("scaytUserDictionaryActionError",a)})}},{type:"button",id:"restoreDic",label:c.getLocal("btn_connectDic"),title:c.getLocal("btn_connectDic"),onLoad:function(){this.getDialog();var b=d.scayt,a=SCAYT.prototype.UILib,g=this.getElement().$,h=this.getElement().getChild(0).$;
-b.isLicensed()||(a.css(g,{cursor:"not-allowed"}),a.css(h,{cursor:"not-allowed"}))},onClick:function(){var b=this.getDialog(),a=d.scayt,g=f,h=b.getContentElement("dictionaries","dictionaryName").getValue();a.isLicensed()&&a.restoreUserDictionary(h,function(a){a.dialog=b;a.error||g.toggleDictionaryState.call(b,"dictionaryState");a.command="restore";a.name=h;d.fire("scaytUserDictionaryAction",a)},function(a){a.dialog=b;a.command="restore";a.name=h;d.fire("scaytUserDictionaryActionError",a)})}},{type:"button",
-id:"disconnectDic",label:c.getLocal("btn_disconnectDic"),title:c.getLocal("btn_disconnectDic"),onClick:function(){var b=this.getDialog(),a=d.scayt,g=f,h=b.getContentElement("dictionaries","dictionaryName"),e=h.getValue();a.isLicensed()&&(a.disconnectFromUserDictionary({}),h.setValue(""),g.toggleDictionaryState.call(b,"initialState"),d.fire("scaytUserDictionaryAction",{dialog:b,command:"disconnect",name:e}))}},{type:"button",id:"removeDic",label:c.getLocal("btn_deleteDic"),title:c.getLocal("btn_deleteDic"),
-onClick:function(){var b=this.getDialog(),a=d.scayt,g=f,h=b.getContentElement("dictionaries","dictionaryName"),e=h.getValue();a.isLicensed()&&a.removeUserDictionary(e,function(a){h.setValue("");a.error||g.toggleDictionaryState.call(b,"initialState");a.dialog=b;a.command="remove";a.name=e;d.fire("scaytUserDictionaryAction",a)},function(a){a.dialog=b;a.command="remove";a.name=e;d.fire("scaytUserDictionaryActionError",a)})}},{type:"button",id:"renameDic",label:c.getLocal("btn_renameDic"),title:c.getLocal("btn_renameDic"),
-onClick:function(){var b=this.getDialog(),a=d.scayt,g=b.getContentElement("dictionaries","dictionaryName").getValue();a.isLicensed()&&a.renameUserDictionary(g,function(a){a.dialog=b;a.command="rename";a.name=g;d.fire("scaytUserDictionaryAction",a)},function(a){a.dialog=b;a.command="rename";a.name=g;d.fire("scaytUserDictionaryActionError",a)})}},{type:"button",id:"editDic",label:c.getLocal("btn_goToDic"),title:c.getLocal("btn_goToDic"),onLoad:function(){this.getDialog()},onClick:function(){var b=this.getDialog(),
-a=b.getContentElement("dictionaries","addWordField");f.clearWordList.call(b);a.setValue("");f.getUserDictionary.call(b);f.toggleDictionaryState.call(b,"wordsState")}}]},{type:"hbox",id:"dicInfo",align:"left",children:[{type:"html",id:"dicInfoHtml",html:'\x3cdiv id\x3d"dic_info_editor1" style\x3d"margin:5px auto; width:95%;white-space:normal;"\x3e'+(d.scayt.isLicensed&&d.scayt.isLicensed()?'\x3ca href\x3d"'+c.getOption("CKUserManual")+'" target\x3d"_blank" style\x3d"text-decoration: underline; color: blue; cursor: pointer;"\x3e'+
-c.getLocal("text_descriptionDicForPaid")+"\x3c/a\x3e":c.getLocal("text_descriptionDicForFree"))+"\x3c/div\x3e"}]},{id:"addWordAction",type:"hbox",style:"width: 100%; margin-bottom: 0;",widths:["40%","60%"],children:[{id:"addWord",type:"vbox",style:"min-width: 150px;",children:[{type:"text",id:"addWordField",label:"Add word",maxLength:"64"}]},{id:"addWordButtons",type:"vbox",style:"margin-top: 20px;",children:[{type:"hbox",id:"addWordButton",align:"left",children:[{type:"button",id:"addWord",label:c.getLocal("btn_addWord"),
-title:c.getLocal("btn_addWord"),onClick:function(){var b=this.getDialog(),a=d.scayt,g=b.getContentElement("dictionaries","itemList"),h=b.getContentElement("dictionaries","addWordField"),e=h.getValue(),c=a.getOption("wordBoundaryRegex"),f=this;e&&(-1!==e.search(c)?d.fire("scaytUserDictionaryAction",{dialog:b,command:"wordWithBannedSymbols",name:e,error:!0}):g.inChildren(e)?(h.setValue(""),d.fire("scaytUserDictionaryAction",{dialog:b,command:"wordAlreadyAdded",name:e})):(this.disable(),a.addWordToUserDictionary(e,
-function(a){a.error||(h.setValue(""),g.addChild(e,!0));a.dialog=b;a.command="addWord";a.name=e;f.enable();d.fire("scaytUserDictionaryAction",a)},function(a){a.dialog=b;a.command="addWord";a.name=e;f.enable();d.fire("scaytUserDictionaryActionError",a)})))}},{type:"button",id:"backToDic",label:c.getLocal("btn_dictionaryPreferences"),title:c.getLocal("btn_dictionaryPreferences"),align:"right",onClick:function(){var b=this.getDialog(),a=d.scayt;null!=a.getUserDictionaryName()&&""!=a.getUserDictionaryName()?
-f.toggleDictionaryState.call(b,"dictionaryState"):f.toggleDictionaryState.call(b,"initialState")}}]}]}]},{id:"wordsHolder",type:"hbox",style:"width: 100%; height: 170px; margin-bottom: 0;",children:[{type:"scaytItemList",id:"itemList",align:"left",style:"width: 100%; height: 170px; overflow: auto",onClick:function(b){var a=b.data.$;b=d.scayt;var g=SCAYT.prototype.UILib,a=a.target||a.srcElement,h=g.parent(a)[0],e=g.attr(h,"data-cke-scayt-ud-word"),c=this.getDialog(),f=c.getContentElement("dictionaries",
-"itemList"),q=this;g.hasClass(a,"cke_scaytItemList_remove")&&!this.isBlocked()&&(this.block(),b.deleteWordFromUserDictionary(e,function(a){a.error||f.removeChild(h,e);q.unblock();a.dialog=c;a.command="deleteWord";a.name=e;d.fire("scaytUserDictionaryAction",a)},function(a){q.unblock();a.dialog=c;a.command="deleteWord";a.name=e;d.fire("scaytUserDictionaryActionError",a)}))}}]}]}]},{id:"about",label:c.getLocal("tab_about"),elements:[{type:"html",id:"about",style:"margin: 5px 5px;",html:'\x3cdiv\x3e\x3cdiv id\x3d"scayt_about_"\x3e'+
-k+"\x3c/div\x3e\x3c/div\x3e"}]}];d.on("scaytUserDictionaryAction",function(b){var a=SCAYT.prototype.UILib,g=b.data.dialog,d=g.getContentElement("dictionaries","dictionaryNote").getElement(),e=b.editor.scayt,c;void 0===b.data.error?(c=e.getLocal("message_success_"+b.data.command+"Dic"),c=c.replace("%s",b.data.name),d.setText(c),a.css(d.$,{color:"blue"})):(""===b.data.name?d.setText(e.getLocal("message_info_emptyDic")):(c=e.getLocal("message_error_"+b.data.command+"Dic"),c=c.replace("%s",b.data.name),
-d.setText(c)),a.css(d.$,{color:"red"}),null!=e.getUserDictionaryName()&&""!=e.getUserDictionaryName()?g.getContentElement("dictionaries","dictionaryName").setValue(e.getUserDictionaryName()):g.getContentElement("dictionaries","dictionaryName").setValue(""))});d.on("scaytUserDictionaryActionError",function(b){var a=SCAYT.prototype.UILib,g=b.data.dialog,d=g.getContentElement("dictionaries","dictionaryNote").getElement(),c=b.editor.scayt,f;""===b.data.name?d.setText(c.getLocal("message_info_emptyDic")):
-(f=c.getLocal("message_error_"+b.data.command+"Dic"),f=f.replace("%s",b.data.name),d.setText(f));a.css(d.$,{color:"red"});null!=c.getUserDictionaryName()&&""!=c.getUserDictionaryName()?g.getContentElement("dictionaries","dictionaryName").setValue(c.getUserDictionaryName()):g.getContentElement("dictionaries","dictionaryName").setValue("")});var f={title:"SCAYT",resizable:CKEDITOR.DIALOG_RESIZE_BOTH,minWidth:"moono-lisa"==(CKEDITOR.skinName||d.config.skin)?450:340,minHeight:300,onLoad:function(){if(0!=
-d.config.scayt_uiTabs[1]){var b=f,a=b.getLangBoxes.call(this);this.getContentElement("dictionaries","addWordField");a.getParent().setStyle("white-space","normal");b.renderLangList(a);this.definition.minWidth=this.getSize().width;this.resize(this.definition.minWidth,this.definition.minHeight)}},onCancel:function(){l.reset()},onHide:function(){d.unlockSelection()},onShow:function(){d.fire("scaytDialogShown",this);if(0!=d.config.scayt_uiTabs[2]){var b=this.getContentElement("dictionaries","addWordField");
-f.clearWordList.call(this);b.setValue("");f.getUserDictionary.call(this);f.toggleDictionaryState.call(this,"wordsState")}},onOk:function(){var b=f,a=d.scayt;this.getContentElement("options","scaytOptions");b=b.getChangedOption.call(this);a.commitOption({changedOptions:b})},toggleDictionaryButtons:function(b){var a=this.getContentElement("dictionaries","existDic").getElement().getParent(),d=this.getContentElement("dictionaries","notExistDic").getElement().getParent();b?(a.show(),d.hide()):(a.hide(),
-d.show())},getChangedOption:function(){var b={};if(1==d.config.scayt_uiTabs[0])for(var a=this.getContentElement("options","scaytOptions").getChild(),c=0;c<a.length;c++)a[c].isChanged()&&(b[a[c].id]=a[c].getValue());l.isChanged()&&(b[l.id]=d.config.scayt_sLang=l.currentLang=l.newLang);return b},buildRadioInputs:function(b,a,c){c=new CKEDITOR.dom.element("div");var h="scaytLang_"+d.name+"_"+a,e=CKEDITOR.dom.element.createFromHtml('\x3cinput id\x3d"'+h+'" type\x3d"radio"  value\x3d"'+a+'" name\x3d"scayt_lang" /\x3e'),
-f=new CKEDITOR.dom.element("label"),k=d.scayt;c.setStyles({"white-space":"normal",position:"relative","padding-bottom":"2px"});e.on("click",function(a){l.newLang=a.sender.getValue()});f.appendText(b);f.setAttribute("for",h);c.append(e);c.append(f);a===k.getLang()&&(e.setAttribute("checked",!0),e.setAttribute("defaultChecked","defaultChecked"));return c},renderLangList:function(b){var a=d.name.replace(/(:|\.|\[|\]|,|=|@)/g,"\\$1"),g=b.find("#left-col-"+a).getItem(0);b=b.find("#right-col-"+a).getItem(0);
-var h=c.getScaytLangList(),a=c.getGraytLangList(),e={},f=[],k=0,l=!1,m;for(m in h.ltr)e[m]=h.ltr[m];for(m in h.rtl)e[m]=h.rtl[m];for(m in e)f.push([m,e[m]]);f.sort(function(a,b){var c=0;a[1]>b[1]?c=1:a[1]<b[1]&&(c=-1);return c});e={};for(l=0;l<f.length;l++)e[f[l][0]]=f[l][1];f=Math.round(f.length/2);for(m in e)k++,l=m in a.ltr||m in a.rtl,this.buildRadioInputs(e[m],m,l).appendTo(k<=f?g:b)},getLangBoxes:function(){return this.getContentElement("langs","langBox").getElement()},toggleDictionaryState:function(b){var a=
-this.getContentElement("dictionaries","dictionaryName").getElement().getParent(),c=this.getContentElement("dictionaries","udButtonsHolder").getElement().getParent(),d=this.getContentElement("dictionaries","createDic").getElement().getParent(),e=this.getContentElement("dictionaries","restoreDic").getElement().getParent(),f=this.getContentElement("dictionaries","disconnectDic").getElement().getParent(),l=this.getContentElement("dictionaries","removeDic").getElement().getParent(),k=this.getContentElement("dictionaries",
-"renameDic").getElement().getParent(),m=this.getContentElement("dictionaries","dicInfo").getElement().getParent(),n=this.getContentElement("dictionaries","addWordAction").getElement().getParent(),p=this.getContentElement("dictionaries","wordsHolder").getElement().getParent();switch(b){case "initialState":a.show();c.show();d.show();e.show();f.hide();l.hide();k.hide();m.show();n.hide();p.hide();break;case "wordsState":a.hide();c.hide();m.hide();n.show();p.show();break;case "dictionaryState":a.show(),
-c.show(),d.hide(),e.hide(),f.show(),l.show(),k.show(),m.show(),n.hide(),p.hide()}},clearWordList:function(){this.getContentElement("dictionaries","itemList").removeAllChild()},getUserDictionary:function(){var b=this,a=d.scayt;a.getUserDictionary(a.getUserDictionaryName(),function(a){a.error||f.renderItemList.call(b,a.wordlist)})},renderItemList:function(b){for(var a=this.getContentElement("dictionaries","itemList"),c=0;c<b.length;c++)a.addChild(b[c])},contents:function(b,a){var c=[],d=a.config.scayt_uiTabs;
-if(d){for(var e in d)1==d[e]&&c.push(b[e]);c.push(b[b.length-1])}else return b;return c}(k,d)};return f});CKEDITOR.tools.extend(CKEDITOR.ui.dialog,{scaytItemList:function(d,c,k){if(arguments.length){var n=this;d.on("load",function(){n.getElement().on("click",function(c){})});CKEDITOR.ui.dialog.uiElement.call(this,d,c,k,"",null,null,function(){var d=['\x3cp class\x3d"cke_dialog_ui_',c.type,'"'];c.style&&d.push('style\x3d"'+c.style+'" ');d.push("\x3e");d.push("\x3c/p\x3e");return d.join("")})}}});
-CKEDITOR.ui.dialog.scaytItemList.prototype=CKEDITOR.tools.extend(new CKEDITOR.ui.dialog.uiElement,{children:[],blocked:!1,addChild:function(d,c){var k=new CKEDITOR.dom.element("p"),n=new CKEDITOR.dom.element("a"),l=this.getElement().getChildren().getItem(0);this.children.push(d);k.addClass("cke_scaytItemList-child");k.setAttribute("data-cke-scayt-ud-word",d);k.appendText(d);n.addClass("cke_scaytItemList_remove");n.addClass("cke_dialog_close_button");n.setAttribute("href","javascript:void(0)");k.append(n);
-l.append(k,c?!0:!1)},inChildren:function(d){return SCAYT.prototype.Utils.inArray(this.children,d)},removeChild:function(d,c){this.children.splice(SCAYT.prototype.Utils.indexOf(this.children,c),1);this.getElement().getChildren().getItem(0).$.removeChild(d)},removeAllChild:function(){this.children=[];this.getElement().getChildren().getItem(0).setHtml("")},block:function(){this.blocked=!0},unblock:function(){this.blocked=!1},isBlocked:function(){return this.blocked}});
-(function(){commonBuilder={build:function(d,c,k){return new CKEDITOR.ui.dialog[c.type](d,c,k)}};CKEDITOR.dialog.addUIElement("scaytItemList",commonBuilder)})();
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/scayt/dialogs/toolbar.css b/src/static/ckeditor/plugins/scayt/dialogs/toolbar.css
deleted file mode 100644
index ecabdac9..00000000
--- a/src/static/ckeditor/plugins/scayt/dialogs/toolbar.css
+++ /dev/null
@@ -1,71 +0,0 @@
-a
-{
-	text-decoration:none;
-	padding: 2px 4px 4px 6px;
-	display : block;
-	border-width: 1px;
-	border-style: solid;
-	margin : 0px;
-}
-
-a.cke_scayt_toogle:hover,
-a.cke_scayt_toogle:focus,
-a.cke_scayt_toogle:active
-{
-	border-color: #316ac5;
-	background-color: #dff1ff;
-	color : #000;
-	cursor: pointer;
-	margin : 0px;
-}
-a.cke_scayt_toogle {
-	color : #316ac5;
-	border-color: #fff;
-}
-.scayt_enabled a.cke_scayt_item {
-	color : #316ac5;
-	border-color: #fff;
-	margin : 0px;
-}
-.scayt_disabled a.cke_scayt_item {
-	color : gray;
-	border-color : #fff;
-}
-.scayt_enabled a.cke_scayt_item:hover,
-.scayt_enabled a.cke_scayt_item:focus,
-.scayt_enabled a.cke_scayt_item:active
-{
-	border-color: #316ac5;
-	background-color: #dff1ff;
-	color : #000;
-	cursor: pointer;
-}
-.scayt_disabled a.cke_scayt_item:hover,
-.scayt_disabled a.cke_scayt_item:focus,
-.scayt_disabled a.cke_scayt_item:active
-{
-	border-color: gray;
-	background-color: #dff1ff;
-	color : gray;
-	cursor: no-drop;
-}
-.cke_scayt_set_on, .cke_scayt_set_off
-{
-	display: none;
-}
-.scayt_enabled .cke_scayt_set_on
-{
-	display: none;
-}
-.scayt_disabled .cke_scayt_set_on
-{
-	display: inline;
-}
-.scayt_disabled .cke_scayt_set_off
-{
-	display: none;
-}
-.scayt_enabled  .cke_scayt_set_off
-{
-	display: inline;
-}
diff --git a/src/static/ckeditor/plugins/scayt/skins/moono-lisa/scayt.css b/src/static/ckeditor/plugins/scayt/skins/moono-lisa/scayt.css
deleted file mode 100644
index 8d624be4..00000000
--- a/src/static/ckeditor/plugins/scayt/skins/moono-lisa/scayt.css
+++ /dev/null
@@ -1,25 +0,0 @@
-.scayt-lang-list > div
-{
-    padding-bottom: 6px !important;
-}
-
-.scayt-lang-list > div input
-{
-    margin-right: 4px;
-}
-
-#scayt_about_
-{
-    margin: 30px auto 0 auto;
-}
-
-#scayt_about_ p
-{
-	text-align: center;
-	margin-bottom: 10px;
-}
-
-.cke_dialog_contents_body div[name=dictionaries] .cke_dialog_ui_hbox_last > a.cke_dialog_ui_button
-{
-    margin-top: 0;
-}
diff --git a/src/static/ckeditor/plugins/sharedspace/plugin.js b/src/static/ckeditor/plugins/sharedspace/plugin.js
deleted file mode 100755
index ff8b09eb..00000000
--- a/src/static/ckeditor/plugins/sharedspace/plugin.js
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
-*/
-(function(){function f(a,b,c){var e,d;if(c="string"==typeof c?CKEDITOR.document.getById(c):new CKEDITOR.dom.element(c))if(e=a.fire("uiSpace",{space:b,html:""}).html)a.on("uiSpace",function(a){a.data.space==b&&a.cancel()},null,null,1),d=c.append(CKEDITOR.dom.element.createFromHtml(g.output({id:a.id,name:a.name,langDir:a.lang.dir,langCode:a.langCode,space:b,spaceId:a.ui.spaceId(b),content:e}))),c.getCustomData("cke_hasshared")?d.hide():c.setCustomData("cke_hasshared",1),d.unselectable(),d.on("mousedown",
-function(a){a=a.data;a.getTarget().hasAscendant("a",1)||a.preventDefault()}),a.focusManager.add(d,1),a.on("focus",function(){for(var a=0,b,e=c.getChildren();b=e.getItem(a);a++)b.type==CKEDITOR.NODE_ELEMENT&&!b.equals(d)&&b.hasClass("cke_shared")&&b.hide();d.show()}),a.on("destroy",function(){d.remove()})}var g=CKEDITOR.addTemplate("sharedcontainer",'\x3cdiv id\x3d"cke_{name}" class\x3d"cke {id} cke_reset_all cke_chrome cke_editor_{name} cke_shared cke_detached cke_{langDir} '+CKEDITOR.env.cssClass+
-'" dir\x3d"{langDir}" title\x3d"'+(CKEDITOR.env.gecko?" ":"")+'" lang\x3d"{langCode}" role\x3d"presentation"\x3e\x3cdiv class\x3d"cke_inner"\x3e\x3cdiv id\x3d"{spaceId}" class\x3d"cke_{space}" role\x3d"presentation"\x3e{content}\x3c/div\x3e\x3c/div\x3e\x3c/div\x3e');CKEDITOR.plugins.add("sharedspace",{init:function(a){a.on("loaded",function(){var b=a.config.sharedSpaces;if(b)for(var c in b)f(a,c,b[c])},null,null,9)}})})();
\ No newline at end of file
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_address.png b/src/static/ckeditor/plugins/showblocks/images/block_address.png
deleted file mode 100644
index 5abdae12..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_address.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_blockquote.png b/src/static/ckeditor/plugins/showblocks/images/block_blockquote.png
deleted file mode 100644
index a8f49735..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_blockquote.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_div.png b/src/static/ckeditor/plugins/showblocks/images/block_div.png
deleted file mode 100644
index 87b3c171..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_div.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_h1.png b/src/static/ckeditor/plugins/showblocks/images/block_h1.png
deleted file mode 100644
index 3933325c..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_h1.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_h2.png b/src/static/ckeditor/plugins/showblocks/images/block_h2.png
deleted file mode 100644
index c99894c2..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_h2.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_h3.png b/src/static/ckeditor/plugins/showblocks/images/block_h3.png
deleted file mode 100644
index cb73d679..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_h3.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_h4.png b/src/static/ckeditor/plugins/showblocks/images/block_h4.png
deleted file mode 100644
index 7af6bb49..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_h4.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_h5.png b/src/static/ckeditor/plugins/showblocks/images/block_h5.png
deleted file mode 100644
index ce5bec16..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_h5.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_h6.png b/src/static/ckeditor/plugins/showblocks/images/block_h6.png
deleted file mode 100644
index e67b9829..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_h6.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_p.png b/src/static/ckeditor/plugins/showblocks/images/block_p.png
deleted file mode 100644
index 63a58202..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_p.png and /dev/null differ
diff --git a/src/static/ckeditor/plugins/showblocks/images/block_pre.png b/src/static/ckeditor/plugins/showblocks/images/block_pre.png
deleted file mode 100644
index 955a8689..00000000
Binary files a/src/static/ckeditor/plugins/showblocks/images/block_pre.png and /dev/null differ