oaeproject/Hilary — pull request #1029 by stuartf (2014-09-17 19:18:47+00:00)
Title: Add the userid in emails their message id

Adding the userid in the [`messageId`](https://github.com/oaeproject/Hilary/blob/master/node_modules/oae-email/lib/api.js#L375) would allow us to identify the user object in OAE that received an e-mail by its ID.

This is a quick fix until we have globally unique email addresses and can lookup users by emails.