HDFS-7462. Consolidate implementation of mkdirs() into a single class. Contributed by Haohui Mai.
HDFS-7446. HDFS inotify should have the ability to determine what txid it has read up to (cmccabe)
YARN-2894. Fixed a bug regarding application view acl when RM fails over. Contributed by Rohith Sharmaks
HADOOP-11344. KMS kms-config.sh sets a default value for the keystore password even in non-ssl setup. Contributed by Arun Suresh.