FLUME-2971. Add secure Kafka Sink/Source/Channel setup to the User Guide
FLUME-2971. Add secure Kafka Sink/Source/Channel setup to the User Guide

The User Guide already has details about configuring Kafka channel to work with a kerberized Kafka cluster.

This patch adds similar description for Kafka Sink and Kafka Source.

Reviewers: Tristan Stevens, Mike Percy, Bessenyei Balázs Donát

(Attila Simon via Bessenyei Balázs Donát)

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