Merge "Integrate oslo-config-validator"

ansible/roles/aodh/defaults/main.yml

ansible/roles/aodh/tasks/config_validate.yml

ansible/roles/barbican/defaults/main.yml

ansible/roles/barbican/tasks/config_validate.yml

ansible/roles/bifrost/tasks/config_validate.yml

ansible/roles/blazar/defaults/main.yml

ansible/roles/blazar/tasks/config_validate.yml

ansible/roles/ceilometer/defaults/main.yml

ansible/roles/ceilometer/tasks/config_validate.yml

ansible/roles/ceph-rgw/tasks/config_validate.yml

ansible/roles/cinder/defaults/main.yml

ansible/roles/cinder/tasks/config_validate.yml

ansible/roles/cloudkitty/defaults/main.yml

ansible/roles/cloudkitty/tasks/config_validate.yml

ansible/roles/collectd/tasks/config_validate.yml

ansible/roles/common/tasks/config_validate.yml

ansible/roles/cyborg/defaults/main.yml

ansible/roles/cyborg/tasks/config_validate.yml

ansible/roles/designate/defaults/main.yml

ansible/roles/designate/tasks/config_validate.yml