HDFS-5374. Remove deadcode in DFSOutputStream. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533258 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4511. Cover package org.apache.hadoop.hdfs.tools with unit test (Andrey Klochkov via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533270 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5365. Fix libhdfs compile error on FreeBSD9. Contributed by Radim Kolar.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533283 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5365. Move attribution to 2.2.1 in CHANGES.txt.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533574 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5457. Add a KeyOnlyTextOutputReader to enable streaming to write out text files without separators (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533624 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5587. TestTextOutputFormat fails on JDK7 (jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533629 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5276. FileSystem.Statistics should use thread-local counters to avoid multi-threaded performance issues on read/write.  (Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533668 13f79535-47bb-0310-9956-ffa450edef68
YARN-1185. Fixed FileSystemRMStateStore to not leave partial files that prevent subsequent ResourceManager recovery. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533803 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5331 make SnapshotDiff.java to a o.a.h.util.Tool interface implementation. Contributed by Vinay.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533917 13f79535-47bb-0310-9956-ffa450edef68
Merging r1533208 through r1534278 from trunk to branch HDFS-2832

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2832@1534279 13f79535-47bb-0310-9956-ffa450edef68