def configure_comment_connection(access_token = nil)
      access_token ||= Lentil::Engine::APP_CONFIG["instagram_access_token"] || nil
      raise "instagram_access_token must be defined as a parameter or in the application config" unless access_token
      configure_connection({'access_token' => access_token})
    end
def configure_comment_connection(access_token = nil)
      access_token ||= Lentil::Engine::APP_CONFIG["instagram_access_token"] || nil
      raise "instagram_access_token must be defined as a parameter or in the application config" unless access_token
      configure_connection({'access_token' => access_token})
    end
Configure the Instagram class in preparation for leaving comments

 @param  access_token = nil [String] Instagram access token for the writing account