public override void RegisterArea(AreaRegistrationContext context)
{
//map installer routes, only one controller
context.Routes.MapRoute(
RouteName,
AreaName + "/{controller}/{action}/{id}",
new { controller = "Install", action = "Index", id = UrlParameter.Optional },
null,
new[] { typeof(InstallController).Namespace })//match controllers in these namespaces
.DataTokens.Add("area", AreaName);//only match this area
}