HIVE-7041 : DoubleWritable/ByteWritable should extend their hadoop counterparts (Jason Dere via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1596102 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6965 Transaction manager should use RDBMS time instead of machine time (Alan Gates, reviewed by Ashutosh Chauhan)


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1596109 13f79535-47bb-0310-9956-ffa450edef68