HBASE-10972 - OOBE in prefix key encoding (Ram)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1587417 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10966 RowCounter misinterprets column names that have colons in their qualifier

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1587443 13f79535-47bb-0310-9956-ffa450edef68