Function mixin

public/bundle.js:1408–1413

* Mixin the emitter properties. * * @param {Object} obj * @return {Object} * @api private

(obj)

	 */
	
	function mixin(obj) {
	  for (var key in Emitter.prototype) {
	    obj[key] = Emitter.prototype[key];
	  }
	  return obj;
	}
	
	/**
	 * Listen on the given `event` with `fn`.