HIVE-7076: Plugin (exec hook) to log to application timeline data to Yarn (Gunther Hagleitner, reviewed by Thejas M Nair and Vaibhav Gumashta)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1603662 13f79535-47bb-0310-9956-ffa450edef68