Add support for recurring flag on Stripe
CHANGELOG
Check value of eci
Review feedback
Add :recurring option
Fixes for Klarna
* Cart items unit prices always include taxes by adding the passed in unit price + passed in tax amount
* Currency from Notification is always upcased
* Append order id as query param to merchant_push_uri and merchant_confirmation_uri
* Return status 'Completed' and not 'Complete'
Merge pull request #1152 from Shopify/stripe_recurring

Add support for recurring flag on Stripe
Use localized amounts for Stripe
Update WebPay
CHANGELOG
Fix param passing