Comment 2 for bug 1808041

Interestingly, https://github.com/openstack/openstack-ansible/blob/stable/queens/scripts/upgrade-utilities/playbooks/deploy-config-changes.yml#L33-L56 is meant to handle copying changes over, but clearly isn't doing the right thing. Perhaps it would be better if we were to change it to check for env.d file and to halt the upgrade to allow manual inspection.