YARN-1553. Modified YARN and MR to stop using HttpConfig.isSecure() and
instead rely on the http policy framework. And also fix some bugs related
to https handling in YARN web-apps. Contributed by Haohui Mai.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568501 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10342. Add a new method to UGI to use a Kerberos login subject to
build a new UGI. (Larry McCay via omalley)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568525 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3128. Unit tests should not use a test root in /tmp. (wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568526 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5948. TestBackupNode flakes with port in use error. (Contributed by Haohui Mai)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568532 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5949. New Namenode UI when trying to download a file, the browser doesn't know the file name.Contributed by Haohui Mai

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568536 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5716. Allow WebHDFS to use pluggable authentication filter. Contributed by Haohui Mai

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568547 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5953. TestBlockReaderFactory fails in trunk. (Akira Ajisaka via wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568568 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5749. Web UI does not show up during the period of loading FSImage. (Contributed by Haohui Mai)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568578 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5698. Update CHANGES.txt to move breakdown of tasks to correct release

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568582 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5757. ConcurrentModificationException in JobControl.toList. Contributed by Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569038 13f79535-47bb-0310-9956-ffa450edef68
Fix javadoc in OfflineImageViewer. Contributed by Akira Ajisaka.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569124 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5959. Fix typo at section name in FSImageFormatProtobuf.java. Contributed by Akira Ajisaka.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569156 13f79535-47bb-0310-9956-ffa450edef68
Branching for hadoop-2.5 releases.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569185 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5780. TestRBWBlockInvalidation times out intemittently.  Contributed by Mit Desai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569368 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10346. Deadlock while logging tokens. Contributed by Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569382 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5803. TestBalancer.testBalancer0 fails. Contributed by Chen He.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569391 13f79535-47bb-0310-9956-ffa450edef68
YARN-1721. When moving app between queues in Fair Scheduler, grab lock on FSSchedulerApp (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569443 13f79535-47bb-0310-9956-ffa450edef68
YARN-1724. Race condition in Fair Scheduler when continuous scheduling is turned on (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569447 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5893. HftpFileSystem.RangeHeaderUrlOpener uses the default URLConnectionFactory which does not import SSL certificates. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1569477 13f79535-47bb-0310-9956-ffa450edef68
Merge r1555021 through r1569522 from trunk.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5535@1569524 13f79535-47bb-0310-9956-ffa450edef68