YARN-2647. Added a queue CLI for getting queue information. Contributed by Sunil Govind.

(cherry picked from commit 61effcbebc819ee1bd3d60f5444c39c972494a32)

Conflicts:
	hadoop-yarn-project/hadoop-yarn/bin/yarn
HDFS-7221. Update CHANGES.txt to indicate fix in 2.6.0.

(cherry picked from commit e7f1c0482e5dff8a1549ace1fc2b366941170c58)
HDFS-7226. Update CHANGES.txt to indicate fix in 2.6.0.

(cherry picked from commit d026f3676278e24d7032dced5f14b52dec70b987)
HADOOP-11280. TestWinUtils#testChmod fails after removal of NO_PROPAGATE_INHERIT_ACE. Contributed by Chris Nauroth.

(cherry picked from commit 42bbe3794e4a8edef020e08111dbd7f1058938e2)