Jeffrey Zhang f88448e735 Change workers in murano service
* Add api_workers option in murano group.
* engine workers moved from workers to engine_workers option in engine
  group.

Change-Id: I746a4e3c69acfd809e167e14a30cc8ed6b0512fb
Closes-Bug: #1638793
2016-11-04 07:18:42 +00:00
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