R1:d5a72ca98ed2

Don't show "clone-name" as "Short Name"

Summary: See D16851 - there's now a difference in their meaning, so don't unite them in the UI.

Test Plan: Load manage page of repos

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D16858