Make the user name a required field. Fixes ticket #852

modules/user/models/user.php

@@ -21,7 +21,7 @@ class User_Model extends ORM implements User_Definition {
   protected $has_and_belongs_to_many = array("groups");
 
   var $rules = array(
-    "name" => "length[1,32]",
+    "name" => "required|length[1,32]",
     "full_name" => "length[0,255]",
     "email" => "valid_email|length[1,255]",
     "password" => "length[1,40]",