New: Add hidden option SOCIETE_DISABLE_PROSPECTS

htdocs/admin/dict.php

@@ -238,7 +238,7 @@ $tabcond[12]= $conf->commande->enabled||$conf->propale->enabled||$conf->facture-
 $tabcond[13]= $conf->commande->enabled||$conf->propale->enabled||$conf->facture->enabled||$conf->fournisseur->enabled;
 $tabcond[14]= $conf->product->enabled&&$conf->ecotax->enabled;
 $tabcond[15]= true;
-$tabcond[16]= $conf->societe->enabled;
+$tabcond[16]= $conf->societe->enabled && empty($conf->global->SOCIETE_DISABLE_PROSPECTS);
 $tabcond[17]= $conf->deplacement->enabled;
 $tabcond[18]= $conf->expedition->enabled;
 $tabcond[19]= $conf->societe->enabled;