MAPREDUCE-5886. Allow wordcount example job to accept multiple input paths. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1601704 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9555. HA functionality that uses ZooKeeper may experience inadvertent TCP RST and miss session expiration event due to bug in client connection management. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1601709 13f79535-47bb-0310-9956-ffa450edef68
YARN-1424. RMAppAttemptImpl should return the DummyApplicationResourceUsageReport for all invalid accesses. (Ray Chiang via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1601742 13f79535-47bb-0310-9956-ffa450edef68
YARN-2091. Add more values to ContainerExitStatus and pass it from NM to RM and then to app masters (Tsuyoshi OZAWA via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1601762 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5834. Increased test-timeouts in TestGridMixClasses to avoid occassional failures. Contributed by Mit Desai.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1601764 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6364. Incorrect check for unknown datanode in Balancer. (Contributed by Benoy Antony)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1601771 13f79535-47bb-0310-9956-ffa450edef68