mozilla/kuma — pull request #265 by lmorchard (2012-06-11 17:55:40+00:00)
Title: Tweaks to Document admin to include parent_topic

* New parent topic children and siblings list links in admin, enabling
selection of a subset of documents representing one level deep in a
section. (Not recursive)

* Add `parent_topic` to list of fields included in JSON export.

* Moved all the admin link builders from models.py to admin.py