HDFS-5047. Supress logging of full stack trace of quota and lease exceptions. Contributed by Robert Parker.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1512057 13f79535-47bb-0310-9956-ffa450edef68
YARN-1043. Push all metrics consistently. Contributed by Jian He.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1512081 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9820. RPCv9 wire protocol is insufficient to support multiplexing. Contributed by Daryn Sharp.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1512091 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9831. Make checknative shell command accessible on Windows. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1512101 13f79535-47bb-0310-9956-ffa450edef68
YARN-589. Expose a REST API for monitoring the fair scheduler (Sandy Ryza).

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1512111 13f79535-47bb-0310-9956-ffa450edef68
Amending YARN-589.  Adding missing file from patch

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1512112 13f79535-47bb-0310-9956-ffa450edef68