/**
  * Delete a thread
  *
  * @param $threadId
  * @return mixed
  */
 public function delete($threadId)
 {
     try {
         $thread = Thread::findOrFail($threadId);
     } catch (ModelNotFoundException $e) {
         Session::flash('error_message', 'The thread with ID: ' . $threadId . ' was not found.');
         return Redirect::to('messages');
     }
     $thread->delete();
     return Redirect::to('messages/');
 }