def configure_polonium(polonium_configuration_object)
      {
        'selenium_server_host'      => :selenium_server_address,
        'selenium_server_port'      => :selenium_server_port,
        'browser'                   => :selenium_browser_key,
        'external_app_server_host'  => :application_address,
        'external_app_server_port'  => :application_port
      }.each do |polonium_configuration_method, our_accessor|
        polonium_configuration_object.send("#{polonium_configuration_method}=", self.send(our_accessor).to_s)
      end
    end
def configure_polonium(polonium_configuration_object)
      {
        'selenium_server_host'      => :selenium_server_address,
        'selenium_server_port'      => :selenium_server_port,
        'browser'                   => :selenium_browser_key,
        'external_app_server_host'  => :application_address,
        'external_app_server_port'  => :application_port
      }.each do |polonium_configuration_method, our_accessor|
        polonium_configuration_object.send("#{polonium_configuration_method}=", self.send(our_accessor).to_s)
      end
    end
Takes a Polonium::Configuration object and configures it by calling methods on it