HBASE-7476 HBase shell count command doesn't escape binary output

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1430003 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7414. Convert some HFile metadata to PB


git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1430106 13f79535-47bb-0310-9956-ffa450edef68