remaking the totals calculation, step 1
Commitness
added the payment fee fields to the order table
remaking the totals calculation and rendering (unfinished)
restructured the payment fee fields
more of the payment fee and its tax
don't try to include stuff that doesn't exist
correctly store the payment fee information with the order
correctly handle the payment fee for invoices
credit memo management with the payment fee correctly applied
reference the shipment row correctly
Merge pull request #43 from madepeople/hotfix_pdf_invoice_fee

Remade the payment fee calculation process