this.add(new RequiredTextField("username", new PropertyModel(this,
"username")).setLabel(new Model("Username")).add(
EmailAddressValidator.getInstance()));
this.add(new PasswordTextField("password", new PropertyModel(this,
"password")).setLabel(new Model("Password")));
this.add(new PageLink("inscription", CreationAccountPage.class));
this.add(new PageLink("motPasseOublie", RetrievePasswordPage.class));
this.add(new Button("connection", new ResourceModel("connection")));
}