Bug fix for donation phase adjustment.
Change the order thanks page to take an order id.

This commit also adds the pending status for donations and payments.

BB-286 #resolve
Add Dia flowchart for order and payment flow.

BB-281 #resolve
Add pdfs for DocData API documentation.
Use IBANField and SWIFTBICField for Organization account info.
Merge pull request #297 from benkonrath/order-thanks

Order thanks improvents.
Merge pull request #302 from benkonrath/a-swift-iban

Use IBANField and SWIFTBICField for Organization account info.