protected void addAdditionalPlugins(List<BrokerPlugin> plugins) throws Exception {
}
protected BrokerPlugin configureAuthentication() throws Exception {
List<AuthenticationUser> users = new ArrayList<AuthenticationUser>();
users.add(new AuthenticationUser("system", "manager", "users,admins"));
users.add(new AuthenticationUser("user", "password", "users"));
users.add(new AuthenticationUser("guest", "password", "guests"));
SimpleAuthenticationPlugin authenticationPlugin = new SimpleAuthenticationPlugin(users);
return authenticationPlugin;
}