fix : language

README-FR

htdocs/adherents/admin/adherent.php

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

htdocs/commande/document.php

htdocs/core/lib/xcal.lib.php

htdocs/core/modules/modProjet.class.php

htdocs/cron/card.php

htdocs/cron/list.php

htdocs/expedition/class/expedition.class.php

htdocs/fourn/class/fournisseur.commande.class.php

htdocs/fourn/class/fournisseur.facture.class.php

htdocs/fourn/commande/document.php

htdocs/fourn/facture/document.php

htdocs/langs/fr_FR/admin.lang

htdocs/langs/fr_FR/cron.lang