Add retry count to meta mta view

Summary:
Show the retry count in the meta mta view (in addition to the list of
messages) - I find this info useful when I'm trying to debug what's going on
with mail failures.

Task ID: #

Blame Rev:

Test Plan:
loaded /mail/view/NNNNN/ and saw the retry count

Revert Plan:

Tags:

Reviewers: epriestley, btrahan, jungejason

Reviewed By: epriestley

CC: aran, epriestley

Differential Revision: https://secure.phabricator.com/D1782

src/applications/metamta/controller/view/PhabricatorMetaMTAViewController.php

@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Copyright 2011 Facebook, Inc.
+ * Copyright 2012 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -52,6 +52,10 @@ class PhabricatorMetaMTAViewController extends PhabricatorMetaMTAController {
         id(new AphrontFormStaticControl())
           ->setLabel('Status')
           ->setValue($status))
+      ->appendChild(
+        id(new AphrontFormStaticControl())
+          ->setLabel('Retry Count')
+          ->setValue($mail->getRetryCount()))
       ->appendChild(
         id(new AphrontFormStaticControl())
           ->setLabel('Message')