Ignore validation of extension model in transferAction

Due to often incomplete extensions which are transferred, we do not need
this validation.

html/typo3conf/ext/ter_fe2/Classes/Controller/RegisterkeyController.php

@@ -162,6 +162,7 @@ class RegisterkeyController extends \T3o\TerFe2\Controller\AbstractTerBasedContr
      *
      * @param string $newUser Username of the assignee
      * @param \T3o\TerFe2\Domain\Model\Extension $extension Extension to transfer
+     * @ignorevalidation $extension
      */
     public function transferAction($newUser, \T3o\TerFe2\Domain\Model\Extension $extension)
     {