* introduced new route settings/users/{id}/mailAddress
* kept old responses
* better error messages
* dropped lostpassword.php from settings/ajax
* cleaned up the UserList.add() and hand in user object instead of
each attribute as another parameter
* check for change permission of mail address
* proper response messages
* add switch to settings to show user backend
* user classes for headers and rows to unify the show/hide statement
* add user backend to response of user create request
* proper markup in settings area
* Assigned jQuery selector results to variables for speed.
* Moved all .attr('data') calls to .data() calls.
* Added :data(uid) selector.
* Split the multiselect checkhandlers into separate functions.
* De-duped click event on password change/img.
* Used fluent interface on jQuery object for event binding.
* Removed redundant tag names in class selectors.
* Fixed incorrect date display for last login.
* Added Userlist.has() to search for uid.
* General code convention compliance fixes.
to-do: Group dropdowns currently don't add the admin group after the search result, not sure why yet.
