Removed some import-time dependencies on Django's settings.
Removed some import-time dependencies on Django's settings.

Now you can import the file storage stuff and still call settings.configure()
afterwards. There is still one import-time usage of settings in
django.contrib.comments, but that's unavoidable.

git-svn-id: 554f83ef17aa7291f84efa897c1acfc5d0035373@9946 bcc190cf-cafb-0310-a4f2-bffc1f526a37

svn2github/django,svn2github/django,svn2github/django