Function all

when.js:181–183

* Return a promise that will fulfill once all input promises have * fulfilled, or reject when any one input promise rejects. * @param {array|Promise} promises array (or promise for an array) of promises * @returns {Promise}

(promises)

	 * @returns {Promise}
	 */
	function all(promises) {
		return when(promises, Promise.all);
	}

	/**
	 * Return a promise that will always fulfill with an array containing