Updated openstack/openstack
Project: openstack/horizon  1932f8b31b3d9ad0d9703b3c3653d45080cc37db

horizon ignores region for identity service

this change will attempt to use a identity service in the selected region
when available.  before the region for the identity service was always the first
found

Change-Id: Idc64a32128bcee561cdbba956722adad0ee1eaf2
Closes-Bug: #1339382