Murano manifests update

* 'murano-api' is going to be renamed to 'murano'.
  Multiple renames were made because of that.
* 'murano-engine' is a part of 'murano' package.
  It was added to manifests.
* Package name is still 'murano-api', this isn't an error.

Closes-bug: #1307970

Closes-bug: #1308997

Change-Id: If6955e97b9e55cf896c0b09bdbf325f372ccc934
Merge "Murano manifests update"