Merge branch '4.0' of git@github.com:Dolibarr/dolibarr.git into develop

htdocs/core/actions_massactions.inc.php

htdocs/core/class/commondocgenerator.class.php

htdocs/core/modules/modMultiCurrency.class.php

.../core/modules/supplier_order/pdf/pdf_muscadet.modules.php

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

htdocs/langs/en_US/main.lang

htdocs/margin/tabs/thirdpartyMargins.php

htdocs/multicurrency/class/multicurrency.class.php

htdocs/product/stock/productlot_list.php