MAPREDUCE-5001. LocalJobRunner has race condition resulting in job failures. Contributed by Sandy Ryza


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515863 13f79535-47bb-0310-9956-ffa450edef68
HDFS-2933. Improve DataNode Web UI Index Page. (Vivek Ganesan via Arpit Agarwal)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515890 13f79535-47bb-0310-9956-ffa450edef68
HDFS-2933. Update CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515892 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5111. Remove duplicated error message for snapshot commands when processing invalid arguments. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515895 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9877. Fix listing of snapshot directories in globStatus. (Binglin Chang via Andrew Wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515955 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9686. Easy access to final parameters in Configuration (Jason Lowe via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515984 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4594. WebHDFS open sets Content-Length header to what is specified by length parameter rather than how much data is actually returned. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1515989 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9886. Turn warning message in RetryInvocationHandler to debug. Contributed by Arpit Gupta

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1516034 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch: upstream/trunk