Updated openstack/openstack
Project: openstack/python-keystoneclient  16ca30673773ff4e30c4165e7b355cedc65c789b
null
Discover should support other services

Most services don't provide a 'values' element for their version
definitions, however are otherwise similar. Discovery should allow that
case and continue on otherwise.

Change-Id: I878377a779da5c96c47603842c024059920423fd