HBASE-10850 essential column family optimization is broken


git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.96@1584357 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10848 Filter SingleColumnValueFilter combined with NullComparator does not work (Fabien)


git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.96@1584370 13f79535-47bb-0310-9956-ffa450edef68