Display lint results for all repos

Summary:
I want to add search per owner, this is a prerequisity for it.
There's no link to this page yet, I didn't find a good place for it.

Test Plan: Displayed it, clicked around.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin, scottmac

Maniphest Tasks: T2038

Differential Revision: https://secure.phabricator.com/D4067