Extended UI test for selfservice permission.
    
    Follwoing scenario added:
     - test_add_all_attr
     - test_add_and_add_another
     - test_add_and_edit
     - test_add_and_cancel
     - test_add_permission_undo
     - test_add_permission_reset
     - test_permission_negative
     - test_del_multiple_permission
     - test_permission_using_enter_key
     - test_reset_sshkey_permsission
    
    Signed-off-by: Mohammad Rizwan Yusuf <myusuf@redhat.com>
    Reviewed-By: Petr Vobornik <pvoborni@redhat.com>