Display other locations of lint errors

Summary:
Depends on D4392.

I don't plan on adding these to changesets.

Test Plan: Added $message['locations'] = array(array('line' => 10)); in the code and displayed a revision with lint problems.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4394