function getDeferred() {
  if (_backbone2.default.$) {
    return (0, _underscore.result)(_backbone2.default.$, 'Deferred', false);
  }
  return (0, _underscore.result)(_backbone2.default, 'Deferred', false);
}
Get the Deferred status from $ if we have jQuery, otherwise use Backbone's
 @returns {boolean} - Whether the request was deferred