Summary:
Ref T2787. Update some of the UI elements used by Phortune. Mostly gets rid of the old blue headers.
Also adds some sweet art.
Test Plan: Poked aroudn Phortune.
Reviewers: btrahan, chad
Reviewed By: chad
Subscribers: epriestley
Maniphest Tasks: T2787
Differential Revision: https://secure.phabricator.com/D9915
