HIVE-4130 : Bring the Lead/Lag UDFs interface in line with Lead/Lag UDAFs (Harish Butani via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1470312 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4364 : beeline always exits with 0 status, should exit with non-zero status on error (Rob Weltman via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1470314 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4342 NPE for query involving UNION ALL with nested JOIN and UNION ALL
(Navis via namit)



git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1470316 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4333 : most windowing tests fail on hadoop 2 (Harish Butani via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1470317 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4371 some issue with merging join trees
(Navis via namit)



git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1470432 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'hive/trunk' into ptf