Added AWS_AUTO_CREATE_BUCKET setting with default of True.
Added AWS_AUTO_CREATE_BUCKET setting with default of True.

--HG--
branch : 1.1

chalkchisel/django-storages,chalkchisel/django-storages,multiplay/django-storages,cbrepo/django-storages,multiplay/django-storages,cbrepo/django-storages,e-loue/django-storages