* added jstree
* remove dojotoolkit
* make jstree runable
* added sorting parameter
* enable self sort
* enable expand and close all
* enable search in tree
* updated jstree to version 3.0.1
* enable set and edit of icons for page
* style tree navi new and enable search in tree
* enable tree refresh
* fix problem with null check
* implemented jstree and remove dojo