Merge branch '3.6' of git@github.com:Dolibarr/dolibarr.git into 3.6

htdocs/compta/bank/class/account.class.php

...compta/sociales/class/paymentsocialcontribution.class.php

htdocs/contact/class/contact.class.php

htdocs/core/class/commonobject.class.php

htdocs/core/modules/export/export_csv.modules.php

htdocs/core/modules/export/export_excel.modules.php

htdocs/core/modules/export/export_tsv.modules.php

htdocs/core/modules/modSociete.class.php

htdocs/product/reassort.php

htdocs/projet/liste.php