Prepare 0.2 release

docker-test/uc1-docker-compose/docker-compose.yml

docker-test/uc2-docker-compose/docker-compose.yml

docker-test/uc3-docker-compose/docker-compose.yml

docker-test/uc4-docker-compose/docker-compose.yml

execution/uc1-application/aggregation-deployment.yaml

execution/uc1-workload-generator/deployment.yaml

execution/uc2-application/aggregation-deployment.yaml

execution/uc2-workload-generator/deployment.yaml

execution/uc3-application/aggregation-deployment.yaml

execution/uc3-workload-generator/deployment.yaml

execution/uc4-application/aggregation-deployment.yaml

execution/uc4-workload-generator/deployment.yaml