Unify benchmark implementations
Includes the following changes:
- Unify logging (#406 (closed), 092cc3c0) -> !308 (merged)
- Naming of configuration options
- Kafka commit interval (#405 (closed)) -> !305 (merged)
- Kafka offset reset (earliest) -> 3ce158ec
- Window sizes for UC2, UC3 and UC4 (!306 (merged), !307 (merged), moved to #412)
- Output format (e.g. Stats) -> cda97d49, 9a64d3bd
- Triggers in UC3 -> cda97d49, 092cc3c0
- Default Helm/Docker Compose configurations (86851112 and others)