missing Promise.nodeify() added

is this definition right?
https://github.com/kriskowal/q/blob/93c00699f22354973e0bccf800d7f03c9413d0d8/q.js#L1883
https://github.com/kriskowal/q/blob/93c00699f22354973e0bccf800d7f03c9413d0d8/spec/q-spec.js#L2138