svn merge -c 1576960 FIXES: YARN-1789. ApplicationSummary does not escape newlines in the app name. Contributed by Tsuyoshi OZAWA


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1576962 13f79535-47bb-0310-9956-ffa450edef68