YARN-2621. Simplify the output when the user doesn't have the access for getDomain(s). Contributed by Zhijie Shen
(cherry picked from commit 233d446be1bc1bc77c7c1c45386086a732897afd)
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
(cherry picked from commit 0fd0ebae645e671699f6a6a56a012ebe6dfb5b2a)
Moved YARN-2682 from 2.6 to 2.7 in CHANGES.txt
(cherry picked from commit 72093fd8cb9865a27a96163f31d03d6813ce267f)