goanna/router.go
func AbsoluteUrlFor(name string, args ...string) *url.URL {
	u := UrlFor(name, args...)
	u.Host = UrlBase.Host
	u.Scheme = UrlBase.Scheme
	return u
}
func AbsoluteUrlFor(name string, args ...string) *url.URL {
	u := UrlFor(name, args...)
	u.Host = UrlBase.Host
	u.Scheme = UrlBase.Scheme
	return u
}
// UrlFor returns the avsolute URL for the route name.
// UrlBase is used for the URL Host and Scheme