Added function "is_superadmin" in auth library and improved other functions.

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

 interface/web/sites/lib/lang/el_database_user_admin_list.lng

@@ -4,4 +4,3 @@
$wb['add_new_record_txt'] = 'Add new User';
$wb['sys_groupid_txt'] = 'Client';
?>