Convert user profile to be more useful and use the new Project profile style layout

Summary:

• Use new less-horrible layout.
• Organize information more completely and sensibly.

Test Plan: Looked at some profiles.

Reviewers: btrahan, jungejason

Reviewed By: jungejason

CC: aran, jungejason

Differential Revision: https://secure.phabricator.com/D1281