R1:30b06c1ad05f

Diffusion: turn branches/refs properties into links

Summary: They just beg to be clicked.

Test Plan: clicked furiously with my mouse until i got tired - went expected places.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D2889