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

@@ -15,7 +15,7 @@ spec:
       terminationGracePeriodSeconds: 0
       containers:
       - name: uc1-application
-        image: "soerenhenning/uc1-app:latest"
+        image: "theodolite/theodolite-uc1-kstreams-app:latest"
         ports:
         - containerPort: 5555
           name: jmx