v0.4.0
This introduces new metrics, beside renaming the old ones:
scaltainer_worker_replicas_total: Same as above, but for workersscaltainer_web_response_time_seconds: response times as reported by the web servicesscaltainer_worker_queue_size_total: queue sizes as reported by the worker servicesscaltainer_ticks_total: iterations scaltainer has performed (if-wis used)