Adding awarder info to badge cards displayed on user profile pages
Summary: Ref T8940
Test Plan: Award badge, open recipient profile page, badge should appear in badges list, and flipping the badge card should show who awarded it.
Reviewers: #blessed_reviewers, epriestley
Reviewed By: #blessed_reviewers, epriestley
Subscribers: chad, Korvin
Maniphest Tasks: T8940
Differential Revision: https://secure.phabricator.com/D15570