Optional setBatch for CopyTable to copy large rows in batches

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1547464 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9832-Add MR support for Visibility labels (Ram)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1547504 13f79535-47bb-0310-9956-ffa450edef68