HDFS-7373. Clean up temporary files after fsimage transfer failures. Contributed by Kihwal Lee
HADOOP-11125. Remove redundant tests in TestOsSecureRandom. Contributed by Masanori Oyama.
HADOOP-11427. ChunkedArrayList: fix removal via iterator and implement get (cmccabe)
HDFS-7543. Avoid path resolution when getting FileStatus for audit logs. Contributed by Haohui Mai.
HADOOP-11385. Prevent cross site scripting attack on JMXJSONServlet. Contributed by Haohui Mai.
HADOOP-11409. FileContext.getFileContext can stack overflow if default fs misconfigured. Contributed by Gera Shegalov