YARN-1982. Renamed the daemon name to be TimelineServer instead of History Server and deprecated the old usage. Contributed by Zhijie Shen.
svn merge --ignore-ancestry -c 1593748 ../../trunk


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1593749 13f79535-47bb-0310-9956-ffa450edef68