HIVE-4918: Tez job submission (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1510877 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5007: Add TezTaskCompiler (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1510882 13f79535-47bb-0310-9956-ffa450edef68