YARN-2938. Fixed new findbugs warnings in hadoop-yarn-resourcemanager and hadoop-yarn-applicationhistoryservice. Contributed by Varun Saxena.
HADOOP-11039. ByteBufferReadable API doc is inconsistent with the implementations. (Yi Liu via Colin P. McCabe)
MAPREDUCE-6149. Document override log4j.properties in MR job. Contributed by Junping Du.
Patch v0. Remove RMFatalEvent* and the corresponding handler in RM