MAPREDUCE-5837. MRAppMaster fails when checking on uber mode. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1589903 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10535. Make the retry numbers in ActiveStandbyElector configurable. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1589905 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6282. Re-add testIncludeByRegistrationName (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1589907 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6281. Provide option to use the NFS Gateway without having to use the Hadoop portmapper. Contributed by Aaron T. Myers.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1589914 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6266. Identify full path for a given INode. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1589920 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10540. Datanode upgrade in Windows fails with hardlink error. (Contributed by Chris Nauroth and Arpit Agarwal)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1589923 13f79535-47bb-0310-9956-ffa450edef68