HIVE-5300 : MapredLocalTask logs success message twice (Navis via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1524277 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5288 : Perflogger should log under single class (Sergey Shelukhin via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1524278 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5294 - Create collect UDF and make evaluator reusable (add missing files) (Edward Capriolo via Brock Noland)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1524280 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd