FLUME-2665. Update documentation for hdfs.closeTries based on FLUME-2586
FLUME-2665. Update documentation for hdfs.closeTries based on FLUME-2586

(Johny Rufus via Hari)

tmgstevens/flume,tinawenqiao/flume,iaiengxia/flume,tmgstevens/flume,szaboferee/flume,tmgstevens/flume,szaboferee/flume,szaboferee/flume,iaiengxia/flume,szaboferee/flume,tinawenqiao/flume,iaiengxia/flume,tinawenqiao/flume,tmgstevens/flume,iaiengxia/flume,tinawenqiao/flume