Price Security

Creates a new permission to restrict the users that can modify the prices of the products.

Asociate to each user a list of pricelist and the correspoding discounts they can apply to sale orders and invoices.

Allow the posibility to mark products so that anyone can modify their price in a sale order.

For users with price restriction, it restricts: * on sales orders: change payment term or pricelist * on sales order lines: change unit price and set limits on discount (limits configured on user) * on partners: change payment term or pricelist * on invoices: change unit price * on product: change price