HBASE-9753 Excessive readpoint checks in MemstoreScanner



git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1532442 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9753 Addendum removes tab



git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1532450 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/0.94' into 0.94-gd