HIVE-6248 HCatReader/Writer should hide Hadoop and Hive classes


git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1561158 13f79535-47bb-0310-9956-ffa450edef68
Reverting HIVE-5728 patch

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1561248 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6261: Update metadata.q.out file for tez (after change to .q file) (Patch by Gunther Hagleitner, reviewed by Vikram Dixit K)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1561253 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6260: Compress plan when sending via RPC (Tez) (Patch by Gunther Hagleitner, reviewed by Vikram Dixit K)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1561254 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6263: Avoid sending input files multiple times on Tez (Patch by Gunther Hagleitner, reviewed by Vikram Dixit K)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1561256 13f79535-47bb-0310-9956-ffa450edef68