Utilised by Wagtail's 'register_admin_urls' hook to register urls for
        our the views that class offers.

def get_admin_urls_for_registration(self):
        """
        Utilised by Wagtail's 'register_admin_urls' hook to register urls for
        our the views that class offers.
        """
        urls = super(OrderModelAdmin, self).get_admin_urls_for_registration()
        urls = urls + (
            url(self.url_helper.get_action_url_pattern('detail'),
                self.detail_view,
                name=self.url_helper.get_action_url_name('detail')),
        )
        return urls