svn merge -c 1594263 merging from trunk to branch-2 to fix:HDFS-6334. Client failover proxy provider for IP failover based NN HA. Contributed by Kihwal Lee.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594264 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10585. Retry polices ignore interrupted exceptions (Daryn Sharp via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594270 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6305. WebHdfs response decoding may throw RuntimeExceptions (Daryn Sharp via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594274 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1594275 FIXES: YARN-1751. Improve MiniYarnCluster for log aggregation testing. Contributed by Ming Ma


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594276 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10566. Adding files missed in previous commit 1594280

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594283 13f79535-47bb-0310-9956-ffa450edef68
Revert the commit r1594283

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594285 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10572. Merging change r1594289 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594291 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5888. Failed job leaves hung AM after it unregisters (Jason Lowe via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594318 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6186. Merge change r1594314 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594324 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1594326 FIXES: MAPREDUCE-5814. fat jar with *-default.xml may fail when mapreduce.job.classloader=true. Contributed by Gera Shegalov


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594328 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5652. NM Recovery. ShuffleHandler should handle NM restarts. (Jason Lowe via kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594332 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6355. Fix divide-by-zero, improper use of wall-clock time in BlockPoolSliceScanner (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594339 13f79535-47bb-0310-9956-ffa450edef68
YARN-1861. Fixed a bug in RM to reset leader-election on fencing that was causing both RMs to be stuck in standby mode when automatic failover is enabled. Contributed by Karthik Kambatla and Xuan Gong.
svn merge --ignore-ancestry -c 1594356 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594357 13f79535-47bb-0310-9956-ffa450edef68
YARN-1981. Nodemanager version is not updated when a node reconnects (Jason Lowe via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594361 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6370. Merging change r1594362 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1594365 13f79535-47bb-0310-9956-ffa450edef68