Add the Python 3 classifiers
Add the Python 3 classifiers

Change-Id: Ieb8fa078225bf7216cd7d1e67b42e0822d4a1fc8

promptworks/django_openstack_auth,dan1/django_openstack_auth_proto,dan1/django_openstack_auth_proto,promptworks/django_openstack_auth,jamielennox/django_openstack_auth,redhat-openstack/django_openstack_auth,ashokkumarprajapati/openstack_auth_remote,ging/django_openstack_auth,ging/django_openstack_auth,redhat-openstack/django_openstack_auth