HBASE-11055 Extends the sampling size

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1589733 13f79535-47bb-0310-9956-ffa450edef68
HBASE-11004 Extend traces through FSHLog#sync

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1589762 13f79535-47bb-0310-9956-ffa450edef68
HBASE-11049 HBase WALPlayer needs to add credentials to job to play to table (Jerry He)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1589886 13f79535-47bb-0310-9956-ffa450edef68
HBASE-11002 Shell support for changing cell visibility for testing

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1589890 13f79535-47bb-0310-9956-ffa450edef68