merge -c 1512380 FIXES: HADOOP-9789.  Support server advertised kerberos principals (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1512381 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9675. use svn:eol-style native for html to prevent line ending issues (Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1512421 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5083. Update the HDFS compatibility version range. Contributed by Kihwal Lee.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1512442 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1512451 merging from trunk to branch-2 to fix HDFS-4993.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1512452 13f79535-47bb-0310-9956-ffa450edef68
merge -c 1512465 FIXES: HADOOP-9757. Har metadata cache can grow without limit (Cristina Abad via daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1512466 13f79535-47bb-0310-9956-ffa450edef68
YARN-656. In scheduler UI, including reserved memory in Memory Total can make it exceed cluster capacity. (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1512483 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9858. Remove unused private RawLocalFileSystem#execCommand method from branch-2. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1512491 13f79535-47bb-0310-9956-ffa450edef68
YARN-1046. Disable mem monitoring my default in MiniYARNCluster (Karthik Kambatla via Sandy Ryza)

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