Refresh request.user on session updates
Refresh request.user on session updates

Update the request.user Whenever the user related information
is updated in the session, to make sure they are always sync.

Change-Id: Ie803db0784971d1dc350527d9f43a1120759774f
Closes-bug: 1247186

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