contact leads. Also added use_opportunities and use_quotations boolean fields on
sales team, like use_leads to ease the salesteam customization.
Also removed some dead code in website_sale_crm and website_sale_delivery.
avoid maanging it from the sale order view; the website will set the acquirer
for ecommerce related orders. This way the acquirer and tx will be displayed
on the sale order linked to ecommerce sales, and not on other orders.