Added accounts to the ledger entry grids, since it's tough to figure out what's going on without them. This exposed a problem with the controller name automatically being determined in the Links function, so it now looks for an optional controller parameter.

git-svn-id: file:///svn-source/pmgr/branches/ledger_transactions_20090605/site@141 97e9348a-65ac-dc4b-aefc-98561f571b83

app_controller.php

@@ -295,6 +295,8 @@ class AppController extends Controller {
     foreach ($links AS $table => $fields) {
       $controller = Inflector::pluralize(Inflector::underscore($table));
       $id = 'id';
+      if (isset($fields['controller']))
+	$controller = $fields['controller'];
       if (isset($fields['id']))
 	$id = $fields['id'];
       foreach ($records AS &$record) {