HIVE-4562 : HIVE3393 brought in Jackson library,and these four jars should be packed into hive-exec.jar (caofangkun via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1488744 13f79535-47bb-0310-9956-ffa450edef68