Merge -c r1470797 from trunk to branch-2 for YARN-549. YarnClient.submitApplication should wait for application to be accepted by the RM (Zhijie Shen via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1470798 13f79535-47bb-0310-9956-ffa450edef68