private static string GetConfig(string configjson)
        {
            var s = String.Empty;

            try
            {
                using (WebClient client = new WebClient())
                {
                    // Add a user agent header in case the
                    // requested URI contains a query.

                    client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");

                    using (Stream data = client.OpenRead(SimpleSettings.ConfigUrl + configjson))
                    {
                        using (StreamReader reader = new StreamReader(data))
                        {
                            s = reader.ReadToEnd();
                            reader.Close();
                        }
                        data.Close();
                    }
                }
            }
            catch (Exception ex)
            {
                SimpleTrace.TraceException(ex);
            }
            return(s);
        }