Add Related Commits for Owners

Summary:
For each commit, find the affected packages, and provide a way to
search by package.

Test Plan:
create commits that touch and don't touch two packages, and verify
that they display correctly in all the UI pages.

Reviewers: epriestley, blair, nh, tuomaspelkonen

Reviewed By: epriestley

CC: benmathews, aran, epriestley, btrahan, jungejason, mpodobnik, prithvi

Maniphest Tasks: T83

Differential Revision: 1208

src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php

@@ -296,6 +296,10 @@ class AphrontDefaultApplicationConfiguration
         'new/$' => 'PhabricatorOwnersEditController',
         'package/(?P<id>\d+)/$' => 'PhabricatorOwnersDetailController',
         'delete/(?P<id>\d+)/$' => 'PhabricatorOwnersDeleteController',
+        'related/' => array(
+          '$' => 'PhabricatorOwnerRelatedListController',
+          'view/(?P<view>[^/]+)/$' => 'PhabricatorOwnerRelatedListController',
+        ),
       ),
 
       '/xhpast/' => array(