Make lightbox close when the background is clicked

Summary: When you click the dark background, close the lightbox.

Test Plan: Clicked arrows, image, etc., to make sure it didn't close. Clicked background to close.

Reviewers: btrahan, vrana

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D3801

src/__celerity_resource_map__.php

@@ -1385,7 +1385,7 @@ celerity_register_resource_map(array(
   ),
   'javelin-behavior-lightbox-attachments' =>
   array(
-    'uri' => '/res/6ddb05f8/rsrc/js/application/core/behavior-lightbox-attachments.js',
+    'uri' => '/res/dfc1743a/rsrc/js/application/core/behavior-lightbox-attachments.js',
     'type' => 'js',
     'requires' =>
     array(