eregs/regulations-site — pull request #295 by khandelwal (2013-09-11 18:07:44+00:00)
Title: Diffs Part Two

This does a couple things:

* Deals with added nodes to a diff
* Deals with deleted nodes
* Adds some basic layers to diffs.

A couple caveats:
* This needs more tests, and tests that unit test a little bit better.