Updated models.py to work with the new file storage system in Django.
Updated models.py to work with the new file storage system in Django.

git-svn-id: 7cd57066f4757936737e83af525e37846a788f28@283 2d8b3452-2338-0410-8a60-9550768eb463

rmaceissoft/django-photologue,seedwithroot/django-photologue-clone,seedwithroot/django-photologue-clone,petry/django-photologue-old,jlemaes/django-photologue,jlemaes/django-photologue,MathieuDuponchelle/my_patched_photologue,rmaceissoft/django-photologue,RossLYoung/django-photologue,RossLYoung/django-photologue,RossLYoung/django-photologue,MathieuDuponchelle/my_patched_photologue,georgemarshall/django-photologue,rmaceissoft/django-photologue,jlemaes/django-photologue