HDFS-5665. Remove the unnecessary writeLock while initializing CacheManager in FsNameSystem Ctor. (Uma Maheswara Rao G via Andrew Wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551270 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5623. TestJobCleanup fails because of RejectedExecutionException and NPE. Contributed by Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551285 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5454. DataNode UUID should be assigned prior to FsDataset initialization. (Arpit Agarwal)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551296 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5666. Fix inconsistent synchronization in BPOfferService (jxiang via cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551301 13f79535-47bb-0310-9956-ffa450edef68
YARN-1505. Fixed Webapplication proxy server to not hardcode its bind address. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551314 13f79535-47bb-0310-9956-ffa450edef68
YARN-1145. Fixed a potential file-handle leak in the web interface for displaying aggregated logs. Contributed by Rohith Sharma.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551326 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch: upstream/trunk