YARN-1713. Added get-new-app and submit-app functionality to RM web services. Contributed by Varun Vasudev.
svn merge --ignore-ancestry -c 1607216 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1607217 13f79535-47bb-0310-9956-ffa450edef68