HIVE-6359 : beeline -f fails on scripts with tabs in them. (Navis, reviewed by Xuefu Zhang, Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1575952 13f79535-47bb-0310-9956-ffa450edef68
HIVE-5607: Hive fails to parse the % (mod) sign after brackets (reviewed by Prasad)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1576006 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6585 : bucket map join fails in presence of _SUCCESS file (Ashutosh Chauhan via Vikram Dixit)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1576112 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6591 : Importing a table containing hidden dirs fails (Ashutosh Chauhan via Vikram Dixit)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1576115 13f79535-47bb-0310-9956-ffa450edef68
metastore api change
impl the thrift if
HiveParser.g change for desc role
ddl work and tasks and v2 auth calls
updating HMSHandler
metastore client changes, sql std auth using it
show role principals
Revert "HiveParser.g change for desc role"

This reverts commit f82b910191312d2d1e7eb77ec12773d9b19d3175.
switching from describe role to show roles principal
set role asspcoated with  correctoperation
+ve test
updating error msg for v1
-ve tests
pre-patch-avail cleanup, test updates
revert set-role changes
removeing SET_ROLE