/**
  * 	get_persistent_admin_notices
  *
  *  	@access 	public
  *  	@return 		void
  */
 public function get_persistent_admin_notices()
 {
     // http://www.example.com/wp-admin/admin.php?page=espresso_general_settings&action=critical_pages&critical_pages_nonce=2831ce0f30
     $args = array('page' => EE_Registry::instance()->REQ->is_set('page') ? EE_Registry::instance()->REQ->get('page') : '', 'action' => EE_Registry::instance()->REQ->is_set('action') ? EE_Registry::instance()->REQ->get('action') : '');
     $return_url = EE_Admin_Page::add_query_args_and_nonce($args, EE_ADMIN_URL);
     echo EE_Error::get_persistent_admin_notices($return_url);
 }