/**
  * Triggers the initial steps to start the update of a single package.
  * @permissions edit
  * @return string
  */
 protected function actionInitPackageUpdate()
 {
     $strPackage = $this->getParam("package");
     $objManager = new class_module_packagemanager_manager();
     $objHandler = $objManager->getPackageManagerForPath($strPackage);
     return $objManager->updatePackage($objHandler);
 }