public static void Register(HttpConfiguration config)
{
// Web API configuration and services
InitDb.UpdateDatabase();
var json = config.Formatters.JsonFormatter;
json.SerializerSettings.PreserveReferencesHandling = Newtonsoft.Json.PreserveReferencesHandling.All;
json.SerializerSettings.Formatting = Formatting.None;
config.Formatters.Remove(config.Formatters.XmlFormatter);
// Web API routes
config.MapHttpAttributeRoutes();
}