HBASE-8998 TestSnapshotCloneIndependence.testOnlineSnapshotMetadataChangesIndependent fails

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BASE-8432 a table with unbalanced regions will balance indefinitely with the 'org.apache.hadoop.hbase.master.DefaultLoadBalancer' (Wang Qiang and Ted)

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HBASE-8975  NPE/HTTP 500 when opening the master's web UI too early


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