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)
(cherry picked from commit 75a326aaff8c92349701d9b3473c3070b8c2be44)
YARN-2894. Fixed a bug regarding application view acl when RM fails over. Contributed by Rohith Sharmaks
(cherry picked from commit 392c3aaea8e8f156b76e418157fa347256283c56)
HADOOP-11344. KMS kms-config.sh sets a default value for the keystore password even in non-ssl setup. Contributed by Arun Suresh.

(cherry picked from commit 3d48ad7eb424206dd1528179b35de4cdf51afdf3)