AMBARI-4400. unit test failures in ambari-server (aonishuk)
AMBARI-4401. Schedule_request with failing batch forever stays in state SCHEDULED. (swagle)
AMBARI-4402. Delete Config Group Host mapping broken due to error introduced by perf patch. (swagle)
AMBARI-4396. Misc code cleanup. (onechiporenko)
AMBARI-4399 Storm: add ability to add Storm on an existing cluster via Add Services Wizard. (Denys Buzhor via atkach)