allow empty servers (Fixes: #3874)

Florian Schaal

2016-05-04 cc08f2c13f7155d6f3fb11afa7661aaec676858a

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<?php
$wb['shop_txt'] = 'Order';
$wb['name_txt'] = 'Name';
$wb['price_txt'] = 'Price';
$wb['setup_fee_txt'] = 'Setup Fee';
$wb['no_products_txt'] = 'No products found.';
$wb['order_txt'] = 'Order';
?>