HIVE-6245 - HS2 creates DBs/Tables with wrong ownership when HMS setugi is true (Venki Korukanti via Brock)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1621228 13f79535-47bb-0310-9956-ffa450edef68

Conflicts:
	itests/hive-unit/src/test/java/org/apache/hive/jdbc/miniHS2/MiniHS2.java
HIVE-7890 - SessionState creates HMS Client while not impersonating (Brock reviewed by Prasad)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1622288 13f79535-47bb-0310-9956-ffa450edef68