Try to import the new Django CSRF middleware, otherwise add the old Django 1.1 CSRF...

Try to import the new Django CSRF middleware, otherwise add the old Django 1.1 CSRF middleware classes to the MIDDLEWARE_CLASSES list. Making Django 1.1.4 backwards incompatible change backwards compatible.

git-svn-id: http://svn.osqa.net/svnroot/osqa/trunk@1018 0cfe37f9-358a-4d5e-be75-b63607b5c754