Modernize Diffusion

Summary: Converts to ObjectList for display, pht's most everything, some responsive design when possible. Tables still are tables, but scroll on touch.

Test Plan: Use iOS simulator on Diffusion, Chrome

Reviewers: epriestley, btrahan

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5847