AMBARI-6883. Add service wizard does not select 1 client host by default when all hosts has master components. (jaimin)
AMBARI-6882. Views : Admin - Support Upgrade Scenario.
AMBARI-6827. UpgradeCatalog170Test, Unit test fixed.
AMBARI-6884. Config History: implement UI tweaks for adding Config groups to history.(xiwang)
AMBARI-6611. container-executor.cfg.j2 contains hardcoded min.user.id=1000 (aonishuk)