* Added a models.py file so the tests run.
* Reset `settings.DEBUG` to `False` at the end of the `test_append_slash_no_redirect_on_POST_in_DEBUG` test so it doesn't bleed over to other tests.
* Removed unused import.
* Minor docstring fixes.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@6991 bcc190cf-cafb-0310-a4f2-bffc1f526a37
Gary Wilson Jr