bugfix HIVE-3807: Hive authorization should use short username when Kerberos authentication
HIVE-1384: HiveServer should run as the user who submitted the query.
bugfix for HIVE-3271 Privilege can be granted by any user(not owner) to any user(even to the same user)
cosmos-hadoop-0.9.0 issue 4 :insert overwrite的时候文件的group会变成superuser
cosmos-hadoop-0.9.0 issue 28 : should not check write permission of parent file location when drop an external table
shuffle metastore uris for client-side load balance
bugfix: retrying metastore client can catch full class name of jdo exception
bug fix HIVE-2084 : Upgrade datanucleus from 2.0.3 to a more recent version (3.?)
set job failed and print exception stacktrace if BlockMergeTask failed in job close stage
modified ivysettings.xml: add mysql-connector jar dependency/ add dpmavenurl to ivy resolver/ change hbase version to 0.94.8.dp