Change to Virtuemart checkout template

1) add a donation column to #_vm_orders table 2) during checkout we need to add we need to have a donation amount calculated based on the coupon code used. Calculation should be if coupon code is within range (100000 - 200000) then calculate 10% of order total pre shipping and pre tax on successful payment store the calculated amount in the donation column in the #_vm_orders table 3) on the template we should have if coupon code is with the range (100000 - 200000) then insert <div id="hoopdonate">You have donated $[calculated_amount] to XXXXXX</div> this should also bee shown on the order confirmation, invoice and confirmation email. 4) We need a list of ALL files that has been changes 5) code should be commented in all files using the appropriate php or html commenting syntax e.g. //* donation calculation begin *// to //* donation calculation end *//