Added ability to move an existing customer into a vacant unit. Changed out all of the 'amount' fields with 'rent', since it's much more self-explanatory. We still need the ability to add customers and contacts. I'll consider doing this by using the insert row ability of jqGrid.

git-svn-id: file:///svn-source/pmgr/branches/invoice_receipt_20090629/site@204 97e9348a-65ac-dc4b-aefc-98561f571b83

app_controller.php

@@ -315,6 +315,10 @@ class AppController extends Controller {
   }
 
   function jqGridRecordLinks(&$params, &$model, &$records, $links) {
+    // Don't create any links if ordered not to.
+    if (isset($params['nolinks']))
+      return;
+
     foreach ($links AS $table => $fields) {
       $special = array('controller', 'id');
       $controller = Inflector::pluralize(Inflector::underscore($table));