Allow logged-out users to view the homepage

Summary: Fixes T3979. The content isn't necessarily very good yet (see T4103, T3583), but this makes it work (e.g., not be a login screen).

Test Plan: Loaded home as a logged-out user on a public install, saw home instead of login.

Reviewers: chad, btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T3979

Differential Revision: https://secure.phabricator.com/D8075

src/applications/home/controller/PhabricatorHomeMainController.php

@@ -6,6 +6,10 @@ final class PhabricatorHomeMainController
   private $filter;
   private $minipanels = array();
 
+  public function shouldAllowPublic() {
+    return true;
+  }
+
   public function willProcessRequest(array $data) {
     $this->filter = idx($data, 'filter');
   }