Using the RR API to get around App Harbor Port rewriter

gistfile1.txt

RequestReduce.Api.Registry.UrlTransformer = 
    (context, , rrUrl) => {
        var uri = new Uri(rrUrl);
        if(uri.IsDefaultPort) {return rrUrl;}
        var builder = new UriBuilder(uri);
        builder.port = "80" //or whatever
        return builder.ToString();
    };