MAPREDUCE-5240. Fix a bug in MRAppMaster because of which OutputCommitter could not access credentials set by the user. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1482175 13f79535-47bb-0310-9956-ffa450edef68
YARN-615. Rename ContainerLaunchContext.containerTokens to tokens. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1482199 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