public void Configuration(IAppBuilder app)
        {
            app.UseCors(CorsOptions.AllowAll);

            app.RegisterAuthConfiguration();

            var container = DependencyRegistration.GetDependencies();

            var config = new HttpConfiguration();

            config.RegisterWebApiConfiguration();

            var resolver = new AutofacWebApiDependencyResolver(container);

            config.DependencyResolver = resolver;

            //app.UseAutofacMiddleware(container);
            app.UseAutofacWebApi(config);
            app.UseWebApi(config);

            app.UseWelcomePage("/");
        }