Update restful api deploy_hosts request format and some configurations

Update deploy_hosts request format in rest.py to be aligned with API service
also update gateway configurations in example deploy script.

Change-Id: I95123656ecbe56c96a8412d629c87c2c1a54897d
Add install.conf template for example and ci test

Add a template install.conf for configuration reference and
jenkins ci test use.

Change-Id: Ibb4ce12d54877b1df63c06ca578cd179ddb51708
Fix typo in restful.py to pass cluster_id to api

Change-Id: I959f3c4817090971dd4deb02aeae475192ad4eac
Merge "Update restful api deploy_hosts request format and some configurations"
Merge "Add install.conf template for example and ci test"
Merge "Fix typo in restful.py to pass cluster_id to api"