HBASE-10224 Account for empty line in search output



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1554271 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10252 Don't write back to WAL/memstore when Increment amount is zero



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1554313 13f79535-47bb-0310-9956-ffa450edef68