Merge remote-tracking branch 'origin/MAGETWO-66885' into PR_08062017

Author: Dmytro Vilchynskyi

lib/web/mage/adminhtml/wysiwyg/tiny_mce/setup.js

@@ -463,8 +463,6 @@ define([
             var url = this.makeDirectiveUrl('%directive%').replace(/([$^.?*!+:=()\[\]{}|\\])/g, '\\$1'),
                 reg = new RegExp(url.replace('%directive%', '([a-zA-Z0-9,_-]+)'));
 
-            content = decodeURIComponent(content);
-
             return content.gsub(reg, function (match) { //eslint-disable-line no-extra-bind
                 return Base64.mageDecode(match[1]);
             });