Policy, Status in PHUIHeaderView

Summary: The adds the ability to set 'properties' such as state, privacy, due date to the header of objects.

Test Plan: Implemented in Paste, Pholio. Tested various states.

Reviewers: epriestley, btrahan

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D7016

src/applications/phriction/controller/PhrictionHistoryController.php

@@ -144,7 +144,7 @@ final class PhrictionHistoryController
         ->setHref(
           PhrictionDocument::getSlugURI($document->getSlug(), 'history')));
 
-    $header = new PhabricatorHeaderView();
+    $header = new PHUIHeaderView();
     $header->setHeader(pht('Document History for %s',
       phutil_tag(
         'a',