2.1.13

* Some bugs correction
* Code improvement for PSR compliance
* jQueryUI updated to v1.9
* Cleanup unused files
* #207: Managers can only see the Roles they are allowed to.
* #190, #192, #199, #202, #196, #204, #191, #214 corrected
* Correction: taking into account user "can create at root level"
setting
* Added: saltkey is exported in a unique file that should be moved
outside
"www" server scope.
* Added: 2-factors authentication
* Added: new check when Role creation
* Added: new check for database query error
* Added: Item in edition will lock any other edition
* Added: New administrator View permitting to view "Users actually
connected"
and "Tokens taken for Items in edition"
* Added: User account contains now Name and Last Name fields