HIVE-6487 - PTest2 do not copy failed source directories (Szehon via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1574938 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6446 : Ability to specify hadoop.bin.path from command line -D (Remus Rusanu via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1574948 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6338 : Improve exception handling in createDefaultDb() in Metastore (Ashutosh Chauhan via Brock Noland)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1575046 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6551 : group by after join with skew join optimization references invalid task sometimes (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1575128 13f79535-47bb-0310-9956-ffa450edef68