Add Distributed Workload Generator

Closes #18 (closed), #16 (closed), #10 (closed), #28 (closed) .

execution/uc1-workload-generator/deployment.yaml

@@ -18,6 +18,10 @@ spec:
       - name: workload-generator
         image: soerenhenning/uc1-wg:latest 
         env:
+        - name: ZK_HOST
+          value: "my-confluent-cp-zookeeper"
+        - name: ZK_PORT
+          value: "2181"
         - name: KAFKA_BOOTSTRAP_SERVERS
           value: "my-confluent-cp-kafka:9092"
         - name: NUM_SENSORS