HADOOP-10404. Some accesses to DomainSocketWatcher#closed are not protected by the lock (cmccabe)
HADOOP-10404.  Commit correct version of patch (cmccabe)
HDFS-7194 Fix findbugs "inefficient new String constructor" warning in DFSClient#PATH (yzhang via cmccabe)
YARN-2644. Fixed CapacityScheduler to return up-to-date headroom when AM allocates. Contributed by Craig Welch