Rewrite `Menu` Class

[Taufik Nurrohman]

Before

echo Menu::get(array(
    'Home' => '/',
    'About' => '/about',
    'Contact' => '/contact'
));

After

Menu::add('navigation', array(
    'Home' => '/',
    'About' => '/about',
    'Contact' => '/contact'
));

echo Menu::navigation();