Making progress. Much still to do, but there are hints of functionality finally returning so I'm snapshotting.

git-svn-id: file:///svn-source/pmgr/branches/yafr_20090716/site@360 97e9348a-65ac-dc4b-aefc-98561f571b83

app_controller.php

@@ -219,6 +219,9 @@ class AppController extends Controller {
     if (isset($params['idlist']))
       $params['idlist'] = unserialize($params['idlist']);
 
+    // Make sure the action parameter at least exists
+    if (!isset($params['action']))
+      $params['action'] = null;
   }
 
   function jqGridDataModel(&$params) {