Merge remote-tracking branch 'origin/3.7' into 3.8

.travis.yml

build/travis-ci/apache.conf

composer.json

dev/codesniffer/ruleset.xml

htdocs/accountancy/admin/card.php

htdocs/contrat/class/contrat.class.php

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

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

...core/modules/supplier_invoice/pdf/pdf_canelle.modules.php

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

htdocs/includes/adodbtime/adodb-time.inc.php