Restore flavor text to applications

Summary: D3581 removed some flavor text. Allow applications to provide flavor text instead of status information if they so desire.

Test Plan: {F20325}

Reviewers: vrana, btrahan

Reviewed By: btrahan

CC: aran, chad

Differential Revision: https://secure.phabricator.com/D3608

src/applications/files/application/PhabricatorApplicationFiles.php

@@ -34,6 +34,10 @@ final class PhabricatorApplicationFiles extends PhabricatorApplication {
     return "\xE2\x87\xAA";
   }
 
+  public function getFlavorText() {
+    return pht('Blob store for Pokemon pictures.');
+  }
+
   public function getRoutes() {
     return array(
       '/F(?P<id>\d+)' => 'PhabricatorFileShortcutController',