## What changes were proposed in this pull request? Skeleton for advanced Rolling Restart options <img width="729" alt="screen shot 2018-10-01 at 1 14 51 pm" src="https://user-images.githubusercontent.com/12506576/46316738-d6cecf00-c585-11e8-817a-3c62a5e257bc.png";>
## How was this patch tested? 21835 passing (23s) 48 pending [ Full content available at: https://github.com/apache/ambari/pull/2408 ] This message was relayed via gitbox.apache.org for [email protected]
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