HBASE-8998 TestSnapshotCloneIndependence.testOnlineSnapshotMetadataChangesIndependent fails

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504933 13f79535-47bb-0310-9956-ffa450edef68
BASE-8432 a table with unbalanced regions will balance indefinitely with the 'org.apache.hadoop.hbase.master.DefaultLoadBalancer' (Wang Qiang and Ted)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504939 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8975  NPE/HTTP 500 when opening the master's web UI too early


git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504955 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd