Display Browse in Diffusion and Open in Editor links in commit detail

Test Plan:
/rX1
Browse in Diffusion
Open in Editor

Reviewers: epriestley

Reviewed By: epriestley

CC: aran

Differential Revision: https://secure.phabricator.com/D2180

src/applications/diffusion/controller/commit/DiffusionCommitController.php

@@ -230,6 +230,7 @@ final class DiffusionCommitController extends DiffusionController {
       $change_list->setChangesets($changesets);
       $change_list->setRenderingReferences($references);
       $change_list->setRenderURI('/diffusion/'.$callsign.'/diff/');
+      $change_list->setRepository($repository);
       $change_list->setUser($user);
 
       $change_list->setStandaloneURI(