merge YARN-1229 from trunk. Define constraints on Auxiliary Service names. Change ShuffleHandler service name from mapreduce.shuffle to mapreduce_shuffle. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526066 13f79535-47bb-0310-9956-ffa450edef68
Merge r1526071 from trunk to branch-2 for MAPREDUCE-5505. Clients should be notified job finished only after job successfully unregistered (Zhijie Shen via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526072 13f79535-47bb-0310-9956-ffa450edef68
Merge r1526078 from trunk to branch-2 for YARN-1214. Register ClientToken MasterKey in SecretManager after it is saved (Jian He via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526079 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9776. Merging change r1526109 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526110 13f79535-47bb-0310-9956-ffa450edef68
Move CHANGES.txt entry for HADOOP-9761

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526291 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9981. globStatus should minimize its listStatus and getFileStatus calls.  (Contributed by Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526300 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5246. Merging change r1526316 from trunk

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Merge r1526330 from trunk to branch-2 for YARN-49. Improve distributed shell application to work on a secure cluster. Contributed by Vinod Kumar Vavilapalli.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526332 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5503. Fixed a test issue in TestMRJobClient. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526364 13f79535-47bb-0310-9956-ffa450edef68
YARN-1157. Fixed ResourceManager UI to behave correctly when apps like distributed-shell do not set tracking urls. Contributed by Xuan Gong.
svn merge --ignore-ancestry -c 1526371 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526372 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5170. Fixed a wrong log message in CombineFileInputFormat class. Contributed by Sangjin Lee.
svn merge --ignore-ancestry -c 1526377 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526379 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9998. Provide methods to clear only part of the DNSToSwitchMapping. (Junping Du via Colin Patrick McCabe)

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HADOOP-9948. Merging change r1526606 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526607 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5258. Merging change r1526610 from trunk to branch-2.

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HDFS-5186. Merging change r1526615 from trunk to branch-2.

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MAPREDUCE-5525. Merging change r1526624 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526625 13f79535-47bb-0310-9956-ffa450edef68
YARN-819. ResourceManager and NodeManager should check for a minimum allowed version (Robert Parker via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526665 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9976. Different versions of avro and avro-maven-plugin (Karthik Kambatla via Sandy Ryza)

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svn merge -c 1526688 FIXES: MAPREDUCE-5513. ConcurrentModificationException in JobControl. Contributed by Robert Parker


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1526702 13f79535-47bb-0310-9956-ffa450edef68
Merging change r1526728 from trunk

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