New: [ task #498 ] part3

htdocs/comm/propal.php

htdocs/comm/propal/class/propal.class.php

htdocs/commande/class/commande.class.php

htdocs/commande/fiche.php

htdocs/compta/facture.php

htdocs/compta/facture/class/facture.class.php

htdocs/core/ajax/price.php

htdocs/core/class/commonobject.class.php

htdocs/core/js/lib_head.js

htdocs/core/tpl/freeproductline_edit.tpl.php

htdocs/core/tpl/objectline_add.tpl.php

htdocs/core/tpl/objectline_edit.tpl.php

htdocs/core/tpl/objectline_view.tpl.php

htdocs/core/tpl/predefinedproductline_create.tpl.php

htdocs/core/tpl/predefinedproductline_edit.tpl.php

htdocs/core/tpl/predefinedproductline_view.tpl.php