HDFS-5335. Hive query failed with possible race in dfs output stream. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1531152 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10039. Add Hive to the list of projects using AbstractDelegationTokenSecretManager. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1531158 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HDFS-4311-trunk-gd