MINOR: Fix quickstart in docs
Reverting some of the recent changes to quickstart doc. Further explanation is provided inline.
Author: Vahid Hashemian
Reviewers: Ewen Cheslack-Postava
Closes from vahidhashemian/doc/fix_quickstart_issues
@@ -359,7 +359,7 @@ stream data will likely be flowing continuously into Kafka where the application
<pre>
-&gt; <b>cat file-input.txt | ./bin/kafka-console-producer --broker-list localhost:9092 --topic streams-file-input</b>
+&gt; <b>bin/kafka-console-producer.sh --broker-list localhost:9092 --topic streams-file-input < file-input.txt</b>
</pre>
<p>
@@ -397,12 +397,9 @@ with the following output data being printed to the console:
<pre>
all 1
-streams 1
lead 1
to 1
-kafka 1
hello 1
-kafka 2
streams 2
join 1
kafka 3
