R1:43b94a6f9515

Redirect after post when changing Diffusion view

Summary: I spend most time in software development by being lazy.

Test Plan: Changed view, reloaded page, viewed the file without sending the form.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D3012