Converted Australian localfavor doctests into unittests. We have always been...

Converted Australian localfavor doctests into unittests.  We have always been at war with doctests.  Thanks to Idan Gazit for the patch.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14931 bcc190cf-cafb-0310-a4f2-bffc1f526a37