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