Update Hive CDH 4 plugin to CDH 4.7.1
Update Hive CDH 4 plugin to CDH 4.7.1

This fixes the socket leak in DFSClient (HDFS-5671).

bd-dev-mobileum/presto,bd-dev-mobileum/presto,bd-dev-mobileum/presto,bd-dev-mobileum/presto,bd-dev-mobileum/presto