module ActionController::Flash

def redirect_to(options = {}, response_options_and_flash = {}) # :doc:
  self.class._flash_types.each do |flash_type|
    if type = response_options_and_flash.delete(flash_type)
      flash[flash_type] = type
    end
  end
  if other_flashes = response_options_and_flash.delete(:flash)
    flash.update(other_flashes)
  end
  super(options, response_options_and_flash)
end