YARN-1221. With Fair Scheduler, reserved MB reported in RM web UI increases indefinitely (Siqi Li via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1527794 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4517. Cover class RemoteBlockReader with unit tests. Contributed by Vadim Bondarev and Dennis Y.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1527807 13f79535-47bb-0310-9956-ffa450edef68
YARN-1247. test-container-executor has gotten out of sync with the changes to container-executor. (rvs via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1527813 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd