increase fieds size of ref supplier (order and bill)

increase ref fields size (like customers facture)

extend ref fields size (like for customer commande)

increase size of ref supplier (some supplier are very long ref...)

develop

and __METHOD__ for syslog

Try to improve stock display for all stock increase/decrease options

Improvement into list & presentation/typo

improve "hide margin infos" button : hide ALL informations relatives to margin AND store the state of the button in a cookie instead of shared config option

Update antispamimage.php