svn merge -c 1465009 FIXES: YARN-525. make CS node-locality-delay refreshable. Contributed by Thomas Graves


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1465012 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5007. fix coverage org.apache.hadoop.mapreduce.v2.hs (Aleksey Gorshkov via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1465016 13f79535-47bb-0310-9956-ffa450edef68