HIVE-6721 : Streaming ingest needs to be able to send many heartbeats together (Alan Gates via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.13@1583186 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6781 : Hive JDBC in http mode is using HiveConf - should be removed  (Vaibhav Gumashta via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.13@1583225 13f79535-47bb-0310-9956-ffa450edef68