Group applications into groups on /applications/

Summary: So they're maybe a little easier to deal with? I'm going to take this formally to "plz @chad plz help" land.

Test Plan: {F20329}

Reviewers: btrahan, vrana, chad

Reviewed By: vrana

CC: aran

Differential Revision: https://secure.phabricator.com/D3609

src/applications/fact/application/PhabricatorApplicationFact.php

@@ -30,6 +30,10 @@ final class PhabricatorApplicationFact extends PhabricatorApplication {
     return 'fact';
   }
 
+  public function getApplicationGroup() {
+    return self::GROUP_UTILITIES;
+  }
+
   public function getRoutes() {
     return array(
       '/fact/' => array(