HDFS-6055. Change default configuration to limit file name length in HDFS. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576095 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10399. FileContext API for ACLs. Contributed by Vinayakumar B.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576124 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10395. TestCallQueueManager is flaky. (Arpit Agarwal)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576141 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10394. TestAuthenticationFilter is flaky. (Arpit Agarwal)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576145 13f79535-47bb-0310-9956-ffa450edef68
Move HDFS-5535 to Release 2.4.0 in CHANGES.txt.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576148 13f79535-47bb-0310-9956-ffa450edef68
Move HDFS-3405 to 2.4.0 section in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576158 13f79535-47bb-0310-9956-ffa450edef68
YARN-1764. Modified YarnClient to correctly handle failover of ResourceManager after the submitApplication call goes through. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576160 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5028. Fixed a bug in MapTask that was causing mappers to fail when a large value of io.sort.mb is set. Contributed by Karthik Kambatla.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1576170 13f79535-47bb-0310-9956-ffa450edef68