plone/plone.app.discussion — pull request #23 by bdbaddog (2012-12-07 01:35:38+00:00)
Title: fix migration of author_name and author_username

I found that the author info was getting dropped when I upgraded my 4.1.3 plone site to 4.2.2.

If you can point me in the right direction, I'll try to update the tests as well.