Use Titan CC Avro Records in UC App and Workload Generator

Integrates merge requests !6 (merged) and !13 (closed).

Implements #1 (closed), #10 (closed), #16 (closed), #18 (closed), and #34 (closed).

execution/uc1-application/aggregation-deployment.yaml

@@ -22,6 +22,8 @@ spec:
         env:
         - name: KAFKA_BOOTSTRAP_SERVERS
           value: "my-confluent-cp-kafka:9092"
+        - name: SCHEMA_REGISTRY_URL
+          value: "http://my-confluent-cp-schema-registry:8081"
         - name: COMMIT_INTERVAL_MS
           value: "{{KAFKA_STREAMS_COMMIT_INTERVAL_MS}}"
         - name: JAVA_OPTS
@@ -50,4 +52,4 @@ spec:
       volumes:
         - name: jmx-config
           configMap:
-            name: aggregation-jmx-configmap
\ No newline at end of file
+            name: aggregation-jmx-configmap