private static void ConfigureRoutes(HttpConfiguration config, IRouteFactory routeFactory)
{
// odata route
routeFactory.MapCustomODataServiceRoute(config.Routes, "serviceapi", "serviceapi")
.HasRelaxedODataVersionConstraint(); // allow any odata version headers
// "home page" listing all data sources
config.Routes.MapHttpRoute("home", "{controller}", new { controller = "Home" });
}