R1:e53244d1da35

Minor homepage re-format

Summary: Cleans up homepage layout. Removes panels, moves 'mini panels' under panels with information.

Test Plan: Test out my homepage, ask Evan to test his.

Reviewers: epriestley, btrahan

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4491