HBASE-12304 CellCounter will throw AIOBE when output directory is not specified. (Ashish Singhi)
HBASE-12356 Rpc with region replica does not propagate tracing spans
HBASE-11562 CopyTable should provide an option to shuffle the mapper tasks (Jean-Marc Spaggiari)
HBASE-12367 Integration tests should not restore the cluster if the CM is not destructive