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

htdocs/categories/card.php

htdocs/categories/viewcat.php

htdocs/compta/bank/card.php

htdocs/compta/sociales/charges.php

htdocs/contact/card.php

htdocs/contact/perso.php

htdocs/core/class/commonobject.class.php

htdocs/core/class/extrafields.class.php

htdocs/core/db/pgsql.class.php

htdocs/core/modules/modCategorie.class.php

htdocs/core/modules/modFacture.class.php

htdocs/core/modules/modSalaries.class.php

htdocs/core/modules/modUser.class.php

htdocs/fourn/card.php

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

htdocs/langs/en_US/bills.lang

htdocs/langs/en_US/companies.lang

htdocs/margin/tabs/productMargins.php

htdocs/opensurvey/card.php

htdocs/opensurvey/results.php