Add storage for new Maniphest transactions

Summary: Ref T2217. Add the tables and comment class for the new stuff. Not used yet.

Test Plan: Ran storage upgrade, browsed Maniphest.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2217

Differential Revision: https://secure.phabricator.com/D7066

src/applications/maniphest/storage/ManiphestTransactionComment.php

@@ -0,0 +1,10 @@
+<?php
+
+final class ManiphestTransactionComment
+  extends PhabricatorApplicationTransactionComment {
+
+  public function getApplicationTransactionObject() {
+    return new ManiphestTransactionPro();
+  }
+
+}

src/applications/maniphest/storage/ManiphestTransactionPro.php

@@ -12,7 +12,7 @@ final class ManiphestTransactionPro
   }
 
   public function getApplicationTransactionCommentObject() {
-    return null;
+    return new ManiphestTransactionComment();
   }
 
 }

src/infrastructure/storage/patch/PhabricatorBuiltinPatchList.php

@@ -1612,6 +1612,10 @@ final class PhabricatorBuiltinPatchList extends PhabricatorSQLPatchList {
         'type' => 'sql',
         'name' => $this->getPatchPath('20130920.repokeyspolicy.sql'),
       ),
+      '20130921.mtransactions.sql' => array(
+        'type' => 'sql',
+        'name' => $this->getPatchPath('20130921.mtransactions.sql'),
+      ),
     );
   }
 }