Add missing files from - HIVE-4460 : Publish HCatalog artifacts for Hadoop 2.x

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1518911 13f79535-47bb-0310-9956-ffa450edef68
Add missing files from - HIVE-4601 : WebHCat needs to support proxy users

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1518912 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd