Use KSC auth's register_conf_options instead of oslo.cfg import
Use KSC auth's register_conf_options instead of oslo.cfg import

A newer keystoneclient is not happy with simply using oslo_config to
import the config group.  Instead, use register_conf_options()
from keystoneclient.auth.

Change-Id: I798dad7ad5bd90362e1fa10c2eecb3e1d5bade71

openstack/akanda-rug,stackforge/akanda-rug,stackforge/akanda-rug,openstack/akanda-rug