* Load testing: synthetic VMs, multiple worker support and Grafana k6 test
* echoserver: prevent fallthrough when Accept() fails
* Move default local-dev context logic to CreateDevController()
* Synthetic: add a random delay to startup script echoing
* Introduce WebSocket-based RPC v2
* go test: add -ldflags="-B gobuildid"
* No need to change the "controller.workerNotifier.Notify()" error message
* No need to modify Protocol Buffers/gRPC generated code
* rpcWatch(): explain that connection shouldn't be normally be closed
* Avoid "port forwarding failed: " repetition in error messages
* Improve comments and avoid repetition in IP resolution errors
Nikolay Edigaryev