Added www.constantiafabrics.co.za to sites in README.
Update models.py

This fixes day light saving issue.  It seems that created_at is coming with timezone 0000  UTC, so I would like to make ti timezoneaware using just utc.  Django templates shows datetime ok with timesince without one hour error
Merge
Added Eino Mäkitalo to AUTHORS.
pep8 fixes
Fix login required test for protected page.
Fix dynamic INSTALLED_APPS in setuptools test runner.
Remove non-ascii chars from comment.
Better approach for test settings.
Fix local_settings/test_settings ordering.
Merge
Cosmetic tweaks to page middleware changes.
Merge branch 'master' into dynamic_mixins
Added potrilloalpie.co to sites in README.
README - sites and apps.
Merge remote-tracking branch 'upstream/master' into dynamic_mixins