Merge remote-tracking branch 'origin/3.8' into develop

ChangeLog

htdocs/accountancy/admin/account.php

htdocs/accountancy/admin/export.php

htdocs/accountancy/admin/index.php

htdocs/accountancy/admin/journal.php

htdocs/accountancy/admin/productaccount.php

htdocs/accountancy/journal/bankjournal.php

htdocs/commande/orderstoinvoice.php

htdocs/compta/facture.php

htdocs/core/boxes/box_task.php

htdocs/core/lib/accounting.lib.php

htdocs/core/lib/pdf.lib.php

htdocs/core/lib/report.lib.php

htdocs/core/modules/commande/doc/pdf_einstein.modules.php

htdocs/core/modules/commande/doc/pdf_proforma.modules.php

htdocs/core/modules/contract/doc/pdf_strato.modules.php

htdocs/core/modules/expedition/doc/pdf_merou.modules.php

htdocs/core/modules/expedition/doc/pdf_rouget.modules.php

htdocs/core/modules/facture/doc/pdf_crabe.modules.php

htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php