HIVE-7169 : HiveServer2 in Http Mode should have a configurable IdleMaxTime timeout (Hari Sankar Sivarama Subramaniyan via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1618256 13f79535-47bb-0310-9956-ffa450edef68