Add very very basic reporting to Maniphest

Summary: Rough cut for Quora, we want this too eventually but it's super basic
right now so I'm not linking it anywhere. Once we get a couple more iterations
I'll put it in the UI.

Test Plan: Looked at stats for test data.

Reviewers: btrahan

Reviewed By: btrahan

CC: anjali, aran, epriestley

Differential Revision: https://secure.phabricator.com/D1594

src/aphront/default/configuration/AphrontDefaultApplicationConfiguration.php

@@ -162,6 +162,7 @@ class AphrontDefaultApplicationConfiguration
       '/maniphest/' => array(
         '$' => 'ManiphestTaskListController',
         'view/(?P<view>\w+)/$' => 'ManiphestTaskListController',
+        'report/(?:(?P<view>\w+)/)?$' => 'ManiphestReportController',
         'task/' => array(
           'create/$' => 'ManiphestTaskEditController',
           'edit/(?P<id>\d+)/$' => 'ManiphestTaskEditController',