* Separate start args from args passed to every command. This is so
that we can call `minikube logs` and `minikube status` with the proper
flags (for the bootstrapper)
* Add a NewMinikubeRunner function to make getting a minikube runner
easier.
This integration test was hanging on Windows because systemctl was paging the
(one line) output and waiting for stdin. Specify the `--no-pager` cmd to systemctl
to avoid this.
The TestDocker integration test shouldn't hard code the path to the systemd config for docker.service -- instead, it can use `systemctl show` to dump the configuration for the docker service.