HIVE-6392 : Hive (and HCatalog) don't allow super-users to add partitions to tables. (Mithun Radhakrishnan via Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1574345 13f79535-47bb-0310-9956-ffa450edef68