YARN-443. allow OS scheduling priority of NM to be different than the containers it launches (tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454411 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4567. Webhdfs does not need a token for token operations. Contributed by Daryn Sharp.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454460 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4571. WebHDFS should not set the service hostname on the server side. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454475 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4577. Webhdfs operations should declare if authentication is required. Contributed by Daryn Sharp.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454517 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9151 Include RPC error info in RpcResponseHeader instead of sending it separately (sanjay Radia)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454593 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4573. Fix TestINodeFile on Windows. Contributed by Arpit Agarwal.





git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454616 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8973. DiskChecker cannot reliably detect an inaccessible disk on Windows with NTFS ACLs. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454889 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9379. capture the ulimit info after printing the log to the console. Contributed by Arpit Gupta.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1455316 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4391. TestDataTransferKeepalive fails when tests are executed in a certain order. Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1455343 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4572. Fix TestJournal failures on Windows. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1455360 13f79535-47bb-0310-9956-ffa450edef68
Merge r1454237 through r1455388 from trunk.


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