YARN-325. RM CapacityScheduler can deadlock when getQueueInfo() is called and a container is completing (Arun C Murthy via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1431070 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4363. Combine PBHelper and HdfsProtoUtil and remove redundant methods. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1431088 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4306. PBHelper.convertLocatedBlock miss convert BlockToken. Contributed by Binglin Chang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1431117 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4848. TaskAttemptContext cast error during AM recovery. Contributed by Jerry Chen


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1431131 13f79535-47bb-0310-9956-ffa450edef68