Hammer = function Hammer(element, options) {
  classCallCheck(this, Hammer);

  options = options || {};
  options.recognizers = ifUndefined(options.recognizers, Hammer.defaults.preset);
  return new Manager(element, options);
}
@private
Simple way to create a manager with a default set of recognizers.
@param {HTMLElement} element
@param {Object} [options]
@constructor