Replaced the hardcoded 'level' checks, and incorporated (as a first pass) the new permission mechanism

git-svn-id: file:///svn-source/pmgr/branches/pre_0.1_work_20090819@802 97e9348a-65ac-dc4b-aefc-98561f571b83

site/models/permission.php

@@ -79,6 +79,9 @@ class Permission extends AppModel {
       if (empty($result['level']) || (!empty($value['level']) && $value['level'] < $result['level']))
 	$result['level'] = $value['level'];
 
+    if ($result['access'] !== 'ALLOW')
+      $result['level'] = 9999999;
+
     return $this->prReturn($result);
   }