Various changes

mobile-friendly ui updates
admin user-edit bugfix
file cleanup
added searchFields
add blog search
remove unused code
add maintenance mode config

app/models/group.php

@@ -38,6 +38,9 @@ class Group extends DatabaseModel {
         [ 'name', 'varchar', '32' ],
         [ 'permissions', 'text', '' ],
     ];
+    public $searchFields = [
+        'name',
+    ];
     public $permissionMatrix = [
         'adminAccess' => [
             'pretty' => 'Access Administrator Areas',