Creating branch for hive's integration with tez

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1494760 13f79535-47bb-0310-9956-ffa450edef68
Merged latest trunk into tez branch

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1508202 13f79535-47bb-0310-9956-ffa450edef68
Merged latest trunk changes to tez branch

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1510788 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4826: Setup build infrastructure for tez (Vikram Dixit via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1510803 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4916: Add TezWork (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1510812 13f79535-47bb-0310-9956-ffa450edef68
HIVE-4917: Tez Job Monitoring (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1510828 13f79535-47bb-0310-9956-ffa450edef68
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
HIVE-5008: Reuse MapRedUtils to generate Map/ReduceWork (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1511610 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5003: Localize hive exec jar for tez (Vikram Dixit K via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1513293 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5040: Yarn resource names cannot contain slashes (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1513295 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5058: Fix NPE issue with DAG submission in TEZ (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1513299 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5073: Fix problem with multiple root tasks in tez (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1513379 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5076: Subsequent reduce stages fail when executed in tez (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1513612 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5080: Add hook to do additional optimization on the operator plan in tez (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1514096 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5097: Update DagUtils to reflect changes in Tez API (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1514100 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5103: Job numbers are incorrectly displayed in Tez (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1514519 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5041: Retrieve and display diagnostic information when TezTask fails on cluster (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1514540 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5108: Join on Tez fails in certain cases (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1514571 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5148: Jam sessions w/ Tez (Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1517689 13f79535-47bb-0310-9956-ffa450edef68