This PS adds a 5 node basic gate for OSH, using the same format as the
dev-deploy guide. Follow on commits will:
* Remove redundant gate scripts
* Add documentation, in the same format as the AIO guide
* Add all remaining services in OSH
* Enable Helm test for all services
Change-Id: I7b72dc4777e88cae2b8a4d842c41a17a526079a2
Depends-On: Ie9b23174fade3df4a87f2b771ea654e2081b4f4e