* Refactored authorizers to classes
* Merge changes for #7335
* ! fix php 5.3 incompatibility
* Update ADAuthorizationAuthorizer.php
* Fix get_user -> getUser
* Rename AuthorizerFactory to Auth, fix interface missing functions
* Add phpdocs to all interface methods and normalize the names a bit.
* Re-work auth_test.php AD bind tests to work properly with the new class.
Reflection is not the nicest tool, but I think it is appropriate here.
Handle exceptions more nicely in auth_test.php
* Restore AD getUseList fix
Not sure how it got removed
* fix auth_test.php style
