container.deployModule("io.vertx~mod-mongo-persistor~2.0.0-final", dbConfig);
// create the yoke app
new Yoke(this)
// register the MVEL engine
.engine("mvel", new MVELEngine("views"))
// Test 1: JSON serialization
.use("/json", new Middleware() {
@Override
public void handle(YokeRequest request, Handler<Object> next) {