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* [impr] add unit test for multi backend setup
* [fix ] notify on add in case if user is already in one backend
* [fix ] notify on modify in case if user is not in every backend
* [fix ] delete user in all backends even if it doesn't exist in one of them
* [fix ] fix bad handling of = or & in passwords in ppolicy checker (js)
* [fix ] fix many encoding errors in AD backend
* [impr] add unit tests on AD backend
* [impr] display the admin result page if searching as admin in navbar form