HIVE-6606 : Stand alone metastore fails to start if new transaction values not defined in config (Alan Gates via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1581486 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6510: Clean up math based UDFs (Lars via Xuefu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1581496 13f79535-47bb-0310-9956-ffa450edef68