Add project list to user profiles
Summary: Adds which Projects a user is a member of to their profile, with a link to more. Build fallback states for no badges or no projects.
Test Plan:
Review a user with projects, without projects, with badges, without badges.
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin
Differential Revision: https://secure.phabricator.com/D15150