HIVE-5387: Need to create edge properties for hive on tez (Vikram Dixit K via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1527791 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5378: Need to move SetReducerParallelism to the optimize package. (Vikram Dixit K via Gunther Hagleitner)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/tez@1527812 13f79535-47bb-0310-9956-ffa450edef68