Parallel test changes caused invalid test path for several HDFS tests on Windows. Contributed by Andrey Klochkov.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1492297 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5304. mapreduce.Job killTask/failTask/getTaskCompletionEvents methods have incompatible signature changes. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1492360 13f79535-47bb-0310-9956-ffa450edef68
TestTaskLog fails on Windows because of path separators missmatch. Contributed by Ivan Mitic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1492364 13f79535-47bb-0310-9956-ffa450edef68
YARN-600. Hook up cgroups CPU settings to the number of virtual cores allocated. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1492365 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HDFS-4310-trunk-gd