HIVE-8277 : IP address string in HS2, metastore have a "/" prefix (Thejas Nair, reviewed by Vaibhav Gumashta)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1628090 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8279 : sql std auth - additional test cases (Thejas Nair, reviewed by Jason Dere)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1628114 13f79535-47bb-0310-9956-ffa450edef68
HIVE-7156: Group-By operator stat-annotation only uses distinct approx to generate rollups (Prasanth J reviewed by Gopal V)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1628118 13f79535-47bb-0310-9956-ffa450edef68