HBASE-8609 Make the CopyTable support startRow, stopRow options (Shaohui)



git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1487228 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/0.94' into 0.94-gd