* Enable setting proxyurl in kubeconfig via kubectl config
This PR enables setting `proxy-url` in kubeconfig via kubectl config.
* Add godoc for proxy-url unit tests
Kubernetes-commit: afdde383210294c3da573decc44b5ce55cffcb94
cleanup: use i18n.T only on string literals
cleanup: sort imports
Add i18n dependency for wait.go
Remove translation on envResource
cleanup: translate string instead of variable
cleanup: sort imports
cleanup: translate string literal only
Kubernetes-commit: cc8428566ea7160c5b20410a1bee53ca7ddb998e