MAPREDUCE-6172. TestDbClasses timeouts are too aggressive. Contributed by Varun Saxena
YARN-2905. AggregatedLogsBlock page can infinitely loop if the aggregated log file is corrupted. Contributed by Varun Saxena
MAPREDUCE-6160. Potential NullPointerException in MRClientProtocol interface implementation. Contributed by Rohith
HADOOP-11081. Document hadoop properties expected to be set by the shell code in *-env.sh (aw)
YARN-2765. Added leveldb-based implementation for RMStateStore. Contributed by Jason Lowe
YARN-2890. MiniYARNCluster should start the timeline server based on the configuration. Contributed by Mit Desai.