Fix hadoop-yarn-project/CHANGES.txt for YARN-759

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493842 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4875. Add a test for testing snapshot file length. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493850 13f79535-47bb-0310-9956-ffa450edef68
YARN-822. Renamed ApplicationToken to be AMRMToken, and similarly the corresponding TokenSelector and SecretManager. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493889 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9515. Add general interface for NFS and Mount. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493924 13f79535-47bb-0310-9956-ffa450edef68
CHANGES.txt change for HADOOP-9515

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493929 13f79535-47bb-0310-9956-ffa450edef68
YARN-839. TestContainerLaunch.testContainerEnvVariables fails on Windows. Contributed by Chuan Liu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493937 13f79535-47bb-0310-9956-ffa450edef68
YARN-610. ClientToken is no longer set in the environment of the Containers. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493968 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-218-trunk-gd