YARN-748. Moved BuilderUtils from yarn-common to yarn-server-common for eventual retirement. Contributed by Jian He.
MAPREDUCE-5297. Updated MR App since BuilderUtils is no longer public after YARN-748. Contributed by Jian He.
svn merge --ignore-ancestry -c 1489257 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1489262 13f79535-47bb-0310-9956-ffa450edef68