HADOOP-11386. Replace \n by %n in format hadoop-common format strings. Contributed by Li Lu.
HDFS-5578. [JDK8] Fix Javadoc errors caused by incorrect or illegal tags in doc comments. Contributed by Andrew Purtell.
HDFS-7475. Make TestLazyPersistFiles#testLazyPersistBlocksAreSaved deterministic. (Contributed by Xiaoyu Yao)