HIVE-5035: [WebHCat] Hardening parameters for Windows (Daniel Dai via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.12@1527836 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5036: [WebHCat] Add cmd script for WebHCat (Daniel Dai via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.12@1527838 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5036: [WebHCat] Add cmd script for WebHCat (add missing file) (Daniel Dai via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.12@1527839 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5066: [WebHCat] Other code fixes for Windows (Daniel Dai via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.12@1527841 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5357: ReduceSinkDeDuplication optimizer pick the wrong keys in pRS-cGBYm-cRS-cGBYr scenario when there are distinct keys in child GBY (Chun Chen via Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/branch-0.12@1527843 13f79535-47bb-0310-9956-ffa450edef68