Ability to archive Phame Posts

Summary: Ref T9897. Adds ability to Archive a Phame Post (only visible under ApplicationSearch).

Test Plan: Archive a post, re-publish it, search for it, archive it again. View Home, Blog, Live pages.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T9897

Differential Revision: https://secure.phabricator.com/D16104

src/applications/phame/controller/PhameLiveController.php

@@ -97,7 +97,8 @@ abstract class PhameLiveController extends PhameController {
 
       // Only show published posts on external domains.
       if ($is_external) {
-        $post_query->withVisibility(PhameConstants::VISIBILITY_PUBLISHED);
+        $post_query->withVisibility(
+          array(PhameConstants::VISIBILITY_PUBLISHED));
       }
 
       $post = $post_query->executeOne();