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

htdocs/accountancy/bookkeeping/list.php

htdocs/accountancy/class/accountancyexport.class.php

htdocs/accountancy/customer/lines.php

htdocs/accountancy/journal/bankjournal.php

htdocs/accountancy/journal/purchasesjournal.php

htdocs/accountancy/journal/sellsjournal.php

htdocs/admin/mails.php

htdocs/compta/localtax/index.php

htdocs/core/actions_sendmails.inc.php

htdocs/core/class/commondocgenerator.class.php

htdocs/core/class/html.formmail.class.php

htdocs/core/lib/functions.lib.php

htdocs/don/card.php

htdocs/langs/en_US/projects.lang

htdocs/projet/element.php