HBASE-12549 Fix TestAssignmentManagerOnCluster#testAssignRacingWithSSH() flaky test
HBASE-12541 Add misc debug logging to hanging tests in TestHCM and TestBaseLoadBalancer
HBASE-12346 Scan's default auths behavior under Visibility labels.(Jerry He)
HBASE-12073 Shell command user_permission fails on the table created by user if he is not global admin (Srikanth Srungarapu)