AMBARI-6496. Additional fix: keberization needs hdfs_principal_name property to be saved in hadoop-env section of command file, otherwise it fails in HDP 1.3 stack. (Alejandro via Jaimin)
AMBARI-7120. Current trunk won't build. (yusaku)
AMBARI-7023. Incorrect ATS metric request for non-HDP stack with version 2.1. (jaimin)
AMBARI-7127. Admin View: misc improvements. (yusaku)
AMBARI-7129 Save for non-default config group disabled. (atkach)
Merge branch 'trunk' into branch-alerts-dev