private MenuBar menu;
private EncomendaServiceAsync servico;
public void onModuleLoad() {
servico = GWT.create(EncomendaService.class);
ServiceDefTarget target = (ServiceDefTarget) servico;
String baseUrl = GWT.getModuleBaseURL();
target.setServiceEntryPoint(baseUrl + "servico");
telaInsercao = createTelaInsercao();
telaConsulta = createTelaConsulta();
telaRemocao = createTelaRemocao();
menu = createMenu();