HBASE-7319-Extend Cell usage through read path (Ram)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1585945 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10883-Restrict the universe of labels and authorizations(Ram)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1585946 13f79535-47bb-0310-9956-ffa450edef68