Shopify/active_merchant — pull request #337 by brentmc79 (2012-04-06 17:12:14+00:00)
Title: Rework Braintree update method

- Use combined customer/card update to eliminate unneccessary remote calls.
- Use update_existing_token option to update the default card
- Support verify_card option in update
- Include customer vault id and card tokens in update response
- Add processor response text for failed verification