Upgrade to Django 1.6.

 - Add "default=False" to all BooleanField's where no default was
   present.
 - Change all transaction handling to use ``transaction.atomic``
 - Change project layout to the "modern" Django layout, with settings.py
   in proj/proj/settings.py
 - Update to latest Celery, and create necessary app file in
   scanblog/scanblog/celery.py.  Fix test runner etc.
Remove `load url from future`; that future is now

Also add `load firstof from future` to get autoescaping of firstof args.
Remove deprecated (unused) AUTH_PROFILE_MODULE.

Also clean up a no-longer-relevant comment.
Include selenium tests by default in testrunner
Merge pull request #26 from yourcelf/django1.6

Django1.6