HIVE-5017 : DBTokenStore gives compiler warnings (Gunther Hagleitner via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1512137 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4992 : add ability to skip javadoc during build (Sergey Shelukhin via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1512138 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5033: Test result of ppd_vc.q is not udpated (Navis Ryu via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1512155 13f79535-47bb-0310-9956-ffa450edef68
HIVE-3191: timestamp - timestamp causes null pointer exception (Jason Dere via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1512165 13f79535-47bb-0310-9956-ffa450edef68