(js) Disable HTML entities in CKEditor

UI/WebServerResources/js/vendor/ckeditor/config.js

@@ -22,6 +22,7 @@ CKEDITOR.editorConfig = function( config ) {
   config.enterMode = CKEDITOR.ENTER_BR;
   config.tabSpaces = 4;
   config.allowedContent = true; // don't filter tags
+  config.entities = false;
 
   // Disables the built-in words spell checker if browser provides one. Defaults to true.
   // http://docs.ckeditor.com/#!/api/CKEDITOR.config-cfg-disableNativeSpellChecker