HIVE-5975 : [WebHCat] templeton mapreduce job failed if provide "define" parameters (Shanyu Zhao via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1551297 13f79535-47bb-0310-9956-ffa450edef68
HIVE-1466: Add NULL DEFINED AS to ROW FORMAT specification (Prasad Mujumdar reviewed by Xuefu Zhang)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1551329 13f79535-47bb-0310-9956-ffa450edef68