Fix: try to use the new message system

htdocs/adherents/document.php

htdocs/admin/mails.php

htdocs/comm/action/class/actioncomm.class.php

htdocs/comm/mailing/fiche.php

htdocs/comm/propal.php

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

htdocs/comm/propal/document.php

htdocs/commande/class/commande.class.php

htdocs/commande/document.php

htdocs/commande/fiche.php

htdocs/compta/facture.php

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

htdocs/compta/facture/document.php

htdocs/compta/sociales/document.php

htdocs/contrat/document.php

htdocs/core/lib/files.lib.php

htdocs/ecm/docmine.php

htdocs/ecm/docother.php

htdocs/ecm/index.php

htdocs/expedition/class/expedition.class.php