Merge remote-tracking branch 'origin/3.7' into develop

dev/initdata/mysqldump_dolibarr_3.6.0.sql

htdocs/comm/list.php

htdocs/comm/propal/list.php

htdocs/commande/class/commande.class.php

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

htdocs/compta/facture/impayees.php

htdocs/compta/paiement/cheque/index.php

htdocs/contact/list.php

htdocs/contrat/list.php

htdocs/core/class/commonobject.class.php

htdocs/expedition/list.php

htdocs/externalsite/admin/externalsite.php

htdocs/fichinter/apercu.php

htdocs/fichinter/list.php

htdocs/fourn/facture/impayees.php

htdocs/fourn/facture/list.php

htdocs/fourn/facture/paiement.php

htdocs/install/mysql/data/llx_c_forme_juridique.sql

htdocs/install/mysql/migration/3.6.0-3.7.0.sql

htdocs/install/pgsql/functions/functions.sql