Update ceph-rgw acccepted roles to fix OSP upgrade
Update ceph-rgw acccepted roles to fix OSP upgrade

This patch updates ceph::keystone::auth::roles to remove
"member" and add "Member". The previous entry breaks
OSP N to O upgrades when ceph-rgw is enabled.

This patch fixes: https://bugs.launchpad.net/tripleo/+bug/1678126

Closes-bug: 1678126
Change-Id: I2e442eda98e2e083d6f4193fb38a0484919a6d33

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,dprince/tripleo-heat-templates