HADOOP-11083. After refactoring of HTTP proxyuser to common, doAs param is case sensitive. (tucu)
HADOOP-11074. Add JIRA to CHANGES.txt
Update CHANGES.txt to set the release date for 2.5.1
YARN-2033. Merging generic-history into the Timeline Store (Contributed by Zhijie Shen)
HDFS-7051. TestDataNodeRollingUpgrade#isBlockFileInPrevious assumes Unix file path separator. Contributed by Chris Nauroth.
YARN-2541. Fixed ResourceManagerRest.apt.vm table syntax error. Contributed by Jian He
YARN-2538. Added logs when RM sends roll-overed AMRMToken to AM. Contributed by Xuan Gong.
YARN-2484. FileSystemRMStateStore#readFile/writeFile should close FSData(In|Out)putStream in final block. Contributed by Tsuyoshi OZAWA
YARN-2229. Changed the integer field of ContainerId to be long type. Contributed by Tsuyoshi OZAWA
Merge branch 'trunk' into HDFS-6584