AMBARI-5142 - Investigate missing HISTORYSERVER metrics for 2.0.6 stack
AMBARI-5155 - Redundant Hive server component name in API
AMBARI-5171 - Some of the jmx HISTORYSERVER metrics are absent in metrics.json file
AMBARI-5148. LogViewer service needs to run on all supervisor nodes (aonishuk)
AMBARI-5110 Storm: Remove LogviewerServer from the list of masters. (Buzhor Denys via ababiichuk)