HDFS-4171. WebHDFS and HttpFs should accept only valid Unix user names. (tucu)

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HDFS-4139. fuse-dfs RO mode still allows file truncation. Contributed by Colin Patrick McCabe 


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HADOOP-8998. set Cache-Control no-cache header on all dynamic content. (tucu)

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svn merge -r 1409090:1409089 reverting HDFS-4171 until test failures can be fixed.


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svn merge -c 1409313 FIXES: YARN-216. Remove jquery theming support. Contributed by Robert Joseph Evans.


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svn merge -c 1409311 FIXES: HDFS-4182. SecondaryNameNode leaks NameCache entries (bobby)


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svn merge -c 1409525 FIXES: MAPREDUCE-4797. LocalContainerAllocator can loop forever trying to contact the RM (jlowe via bobby)


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svn merge -c 1409580 FIXES: MAPREDUCE-4720. Browser thinks History Server main page JS is taking too long (Ravi Prakash via bobby)


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MAPREDUCE-4723. Fix warnings found by findbugs 2. Contributed by Sandy Ryza


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HADOOP-9042. Add a test for umask in FileSystemContractBaseTest. Colin Patrick McCabe


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Updated CHANGES.txt in preparation for 0.23.5 release


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svn merge -c 1409827 FIXES: YARN-188. Coverage fixing for CapacityScheduler (Aleksey Gorshkov via bobby)


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svn merge -c 1409848 FIXES: HDFS-4104. dfs -test -d prints inappropriate error on nonexistent directory (Andy Isaacson via daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1409850 13f79535-47bb-0310-9956-ffa450edef68
Revert HADOOP-9042.


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Merge HDFS-3623. BKJM: zkLatchWaitTimeout hard coded to 6000. Make use of ZKSessionTimeout instead. Contributed by Uma Maheswara Rao G.



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HADOOP-6607. Add different variants of non caching HTTP headers. (tucu)

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svn merge -c 1409988 FIXES: HDFS-4186 logSync() is called with the write lock held while releasing lease (Kihwal Lee via daryn)


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svn merge -c 1410018 FIXES: HADOOP-9035. Generalize setup of LoginContext (daryn via bobby)


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svn merge -c 1410131 FIXES: MAPREDUCE-4801. ShuffleHandler can generate large logs due to prematurely closed channels (jlowe via bobby)


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svn merge -c 1410498 FIXES: MAPREDUCE-4802. Takes a long time to load the task list on the AM for large jobs (Ravi Prakash via bobby)


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