Merge pull request #130 from ramindu90/master

Adding readme for kafka sample

modules/samples/0001/READMe.txt

@@ -0,0 +1,21 @@
+1. Copy {WSO2DASHome}/samples/0001/kafka-sample.siddhi file to {WSO2DASHome}/deployment/siddhi-files
+
+Kafka libs to be added and converted to OSGI from {KafkaHome}/libs are as follows
+    * kafka_2.10-0.9.0.1.jar
+    * kafka-clients-0.9.0.1.jar
+    * metrics-core-2.2.0.jar
+    * scala-library-2.10.5.jar
+    * zkclient-0.7.jar
+    * zookeeper-3.4.6.jar
+
+2. Add the OSGI converted kafka libs to {WSO2DASHome}/lib
+3. Add the kafka libs to {WSO2DASHome}/samples/sample-clients/lib
+
+4. Navigate to {KafkaHome} and start zookeeper node using bin/zookeeper-server-start.sh config/zookeeper.properties
+5. Navigate to {KafkaHome} and start kafka server node using bin/kafka-server-start.sh config/server.properties
+
+6. Navigate to {WSO2DASHome}/bin and start using ./carbon.sh
+7. Navigate to {WSO2DASHome}/samples/sample-clients/kafka-consumer and run ant command without arguments
+8. Navigate to {WSO2DASHome}/samples/sample-clients/kafka-producer and run ant command without arguments
+
+Published values should be printed on the kafka-consumer console.