Make supported OS list, add XP
Make supported OS list, add XP

marcusbirkin/sacnview,docsteer/sacnview,docsteer/sacnview,marcusbirkin/sacnview,marcusbirkin/sacnview,docsteer/sacnview,docsteer/sacnview,docsteer/sacnview,marcusbirkin/sacnview,marcusbirkin/sacnview,docsteer/sacnview,marcusbirkin/sacnview,docsteer/sacnview,marcusbirkin/sacnview