Uniformize code

htdocs/admin/translation.php

htdocs/admin/workflow.php

htdocs/commande/class/commande.class.php

htdocs/core/class/commonobject.class.php

htdocs/core/lib/sendings.lib.php

htdocs/expedition/card.php

htdocs/expedition/shipment.php

htdocs/langs/en_US/admin.lang

htdocs/langs/en_US/deliveries.lang

htdocs/langs/en_US/sendings.lang

htdocs/langs/en_US/workflow.lang

htdocs/livraison/card.php

htdocs/livraison/class/livraison.class.php

htdocs/product/reassortlot.php

htdocs/product/stock/class/entrepot.class.php

htdocs/product/stock/list.php