EDT-467 Upgrade to CKEditor 4x
  * removed unneeded and added required plugins
  * added mindtouch css rules to contents.css
Added floating toolbar plugin
EDT-449 Font drop-down and scrolling
  * use the ckeditor core to fix that bug
Added autosave plugin
Added clearcontents plugin
EDT-467 Upgrade to CKEditor 4x
  * Added styles combo menu
Close menu button after the second click
EDT-467 Upgrade to CKEditor 4x
  * added comment delete plugin
EDT-467 Upgrade to CKEditor 4x
  * added pre plugin
EDT-467 Upgrade to CKEditor 4x
  * added view button plugin
EDT-467 Upgrade to CKEditor 4x
  * added ckoverrides plugin
  * added format plugin
EDT-467 Upgrade to CKEditor 4x
  * added link plugin
EDT-467 Upgrade to CKEditor 4x
  * fixed commas
EDT-467 Upgrade to CKEditor 4x
  * added image plugin
EDT-467 Upgrade to CKEditor 4x
  * added templates plugin
  * added transformations plugin
  * minor fixes for image and link plugins
EDT-467 Upgrade to CKEditor 4x
  * added video plugin
EDT-467 Upgrade to CKEditor 4x
  * ported fixes from editor_v1
EDT-467 Upgrade to CKEditor 4x
  * added statistics plugin
EDT-467 Upgrade to CKEditor 4x
  * added who is editing plugin
EDT-467 Upgrade to CKEditor 4x
  * fixed "community member only" style (EDT-478)
  * fixed padding for infobar
  * fixed updating statistics on key pressing
  * fixed view menu state