Add support for Hadoop YARN timeline server logs

[sydp]

References:
https://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/TimelineServer.html

https://github.com/naver/hadoop/blob/master/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/timeline/LeveldbTimelineStore.java

[joachimmetz]

@sydp should I assign this to you?