HDFS-7259. Unresponseive NFS mount point due to deferred COMMIT response. Contributed by Brandon Li
YARN-90. NodeManager should identify failed disks becoming good again. Contributed by Varun Vasudev
HDFS-7215.Add JvmPauseMonitor to NFS gateway. Contributed by Brandon Li
YARN-2720. Windows: Wildcard classpath variables not expanded against resources contained in archives. Contributed by Craig Welch.
HDFS-7221. TestDNFencingWithReplication fails consistently. Contributed by Charles Lamb.
Updated CHANGES.txt for HDFS-6581 merge into branch-2.6.
HDFS-7204. balancer doesn't run as a daemon (aw)