SHARK-203 : Make orc_diff_part_cols unit test pass
Merge pull request #194 from WANdisco/OrcPart

SHARK-203 : Make orc_diff_part_cols unit test pass
Initial commit for SharkServer2
Address some feedback from PR 223
Merge pull request #223 from hw3/hive0.11

Initial commit for SharkServer2
add window fuction support.
SHARK-210: Add ROLLUP/CUBE/GROUPING SET feature to Shark
Minor coding style fix
Fix per reivewer's comment.
adjust package sequence and comments.
Add names of queries which can pass test into test_pass.txt.
format according spark code style, and add window cluster(window <name> as) test case.
Merge pull request #233 from sun-rui/hive0.11

SHARK-210: Add ROLLUP/CUBE/GROUPING SET feature to Shark
Merge pull request #228 from ChengXiangLi/hive0.11

add window fuction support.