def surl(service)
      service_url = @env == :stable ? API_URL : SANDBOX_API_URL
      service_url = service_url + "/" + service
      service_url.gsub!('www', 'usercontent') if service.to_s == 'image'
      service_url
    end
def surl(service)
      service_url = @env == :stable ? API_URL : SANDBOX_API_URL
      service_url = service_url + "/" + service
      service_url.gsub!('www', 'usercontent') if service.to_s == 'image'
      service_url
    end
Return the URL of a Freebase service

 @param [String] service the service
 @return [String] the url of the service