Revert "Changing HTML editor from jwysiwyg to redactor #815"

This reverts commit c2d0e860c34767539aabf5554ce0dbaf898a9322.
Upgrading JWYSIWYG to fix multiple bugs

* changed some config options to remove some editor options
jwysiwyg fixes

* Make the page description box wider
* Add and reorder controls
* Include js for images, tables and file manager
* Add handler for filemanager
* Fixes to jwysiwyg js to make file uploads work.
* Remove built in handler PHP in jwysiwyg - security risk