Remove the 'about' button in ckeditor

www/pad/main.js

@@ -81,7 +81,7 @@ define([
             removePlugins: 'resize',
             extraPlugins: 'autolink,colorbutton,colordialog,font',
             //skin: 'moono',
-            toolbarGroups: [{"name":"clipboard","groups":["clipboard","undo"]},{"name":"editing","groups":["find","selection"]},{"name":"links"},{"name":"insert"},{"name":"forms"},{"name":"tools"},{"name":"document","groups":["mode","document","doctools"]},{"name":"others"},{"name":"basicstyles","groups":["basicstyles","cleanup"]},{"name":"paragraph","groups":["list","indent","blocks","align","bidi"]},{"name":"styles"},{"name":"colors"},{"name":"about"}]
+            toolbarGroups: [{"name":"clipboard","groups":["clipboard","undo"]},{"name":"editing","groups":["find","selection"]},{"name":"links"},{"name":"insert"},{"name":"forms"},{"name":"tools"},{"name":"document","groups":["mode","document","doctools"]},{"name":"others"},{"name":"basicstyles","groups":["basicstyles","cleanup"]},{"name":"paragraph","groups":["list","indent","blocks","align","bidi"]},{"name":"styles"},{"name":"colors"}]
         });
 
         editor.on('instanceReady', function (Ckeditor) {