Restore missing "Reports" link to Maniphest

Summary: Accidentally lost this in the melee. Put it back.

Test Plan: Saw link, then clicked it. Great success!

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D6982

src/applications/maniphest/controller/ManiphestTaskListController.php

@@ -195,6 +195,9 @@ final class ManiphestTaskListController
       ->setViewer($user)
       ->addNavigationItems($nav->getMenu());
 
+    $nav->addLabel(pht('Reports'));
+    $nav->addFilter('reports', pht('Reports'), 'report/');
+
     $nav->selectFilter(null);
 
     return $nav;