YARN-791. Changed RM APIs and web-services related to nodes to ensure that both are consistent with each other. Contributed by Sandy Ryza.
svn merge --ignore-ancestry -c 1500994 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1500996 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4841. FsShell commands using secure webhfds fail ClientFinalizer shutdown hook. (rkanter via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1501010 13f79535-47bb-0310-9956-ffa450edef68
YARN-894. Merging change r1501020 from branch-2 to branch-2.1-beta.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1501021 13f79535-47bb-0310-9956-ffa450edef68