AMBARI-3325. NAGIOS CRITICAL: Could not locate a running Nagios process. (Dmitry Sen via mahadev)
AMBARI-3158. Ambari Hadoop: Job Summary Log should be configured to log as separate file. (Dmytro Shkvyra via odiachenko)
AMBARI-3326. Move JDK license prompt earlier in setup. (Artem Baranchuk via odiachenko)
AMBARI-3324 UI optimization: constrain hostComponents model loading. (atkach)