#1 fixes Class 'CRM_Core_Smarty' not found.

webform_civirules.module

@@ -7,6 +7,7 @@
  * This hack is needed because we are not a native civicrm extension.
  */
 function webform_civirules_menu_get_item_alter(&$router_item, $path, $original_map) {
+  civicrm_initialize();
   if ($path == "civicrm/civirules/conditions/webform_civirules_webform_is") {
     set_include_path(get_include_path() . PATH_SEPARATOR . __DIR__);
     $smarty = CRM_Core_Smarty::singleton();