AMBARI-8258 DataNodes become stopped at secured cluster (Stack 1.3) - (DataNode space: status code=0) (dsen)
AMBARI-8259. Update HDP 2.2 component versions (dlysnichenko)
Revert "AMBARI-8249. Usability: Configs Tab UI responsiveness issues (alexantonenko)"
Reverting due to UT failures.
This reverts commit ae0d8257440f7399f457ebbf71e03f1198296727.