MetaMTA - make the new mail app UI a little less bad
Summary: Ref T5791. Makes the result page a little less ugly and adds the time created. Makes the detail page include more useful information about the message.
Test Plan: viewed results page and detail page and they looked better
Reviewed By: epriestley
Subscribers: epriestley, Korvin
Maniphest Tasks: T5791
Differential Revision: https://secure.phabricator.com/D13410