Merge -c 1423706 from trunk to branch-2 to fix YARN-3. Add support for CPU isolation/monitoring of containers. Contributed by Andrew Ferguson.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1443010 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1443016 FIXES: YARN-357. App submission should not be synchronized (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1443021 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1443027. FIXES: MAPREDUCE-4905. test org.apache.hadoop.mapred.pipes (Aleksey Gorshkov via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1443033 13f79535-47bb-0310-9956-ffa450edef68