YARN-2621. Simplify the output when the user doesn't have the access for getDomain(s). Contributed by Zhijie Shen
HADOOP-11182. GraphiteSink emits wrong timestamps (Sascha Coenen via raviprak) Fix CHANGES.txt
YARN-2682. Updated WindowsSecureContainerExecutor to not use DefaultContainerExecutor#getFirstApplicationDir and use getWorkingDir() instead. Contributed by Zhihai Xu
Moved YARN-2682 from 2.6 to 2.7 in CHANGES.txt