Make new runner tokens compatible with docker-machine executor

executors/docker/machine/name.go

executors/docker/machine/name_test.go

executors/kubernetes/executor_kubernetes.go

executors/kubernetes/executor_kubernetes_test.go

executors/kubernetes/util.go

executors/kubernetes/util_test.go

helpers/dns/test/test.go

helpers/dns/utils.go

helpers/dns/utils_test.go