[openstack] update stemcell URLs
[openstack] update example output for recent stemcell versions
upload final releases of cf; include v138 notice
update "bosh release" output for a final release
Document port 22 & 53 being required for microbosh
[openstack] example deployment file for v138

Also rename "deployment manifest" to "deployment file".
[openstack] document ports required for CF
[openstack] fix indent of uaa.scim properties
remove yaml format as broken for ERb
Merge pull request #167 from drnic/openstack_update

Update to Deploying CF on OpenStack