HDFS-5080. BootstrapStandby not working with QJM when the existing NN is active. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1514386 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5076. Add MXBean methods to query NN's transaction information and JournalNode's journal status. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1514422 13f79535-47bb-0310-9956-ffa450edef68
Update CHANGES.txt to move YARN-1045 and MAPREDUCE-5352 to the correct version.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1514432 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9868. Server must not advertise kerberos realm. Contributed by Daryn Sharp.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1514448 13f79535-47bb-0310-9956-ffa450edef68