Firstdata E4: Include missing address information for AVS and CVV results.
Allow changing the primary response of a MultiResponse to the first one run.
Stripe: Make the actual refund response primary rather than the fee refund.
Pass the primary response into the run method instead of tacking it on the end.
Merge pull request #814 from Shopify/fix-firstdata-avs-result

Firstdata E4: Include missing address information for AVS and CVV results
Litle: Deprecate credit method in favor of refund.
Credit deprecation test for litle.
Moneris: Add verification_value support

We're now actually sending the CVV to Moneris and parsing the CVV result
from the response.

Closes #817.
added missing authorization_code param to response
Update Stripe gateway to reflect current currency support

* Add GB to the countries supported by Stripe
* Update the README to reflect CA and GB support
WebPay: modify the currency unit in JPY from yen (1) to sen (1/100).
WebPay: update a test API key.
WebPay: add unit tests to check the currency unit.
WebPay: modify refund method to support the new currency unit in JPY.
WebPay: add tests to modify currency unit in JPY from yen to sen.
Merge pull request #816 from Shopify/primary-response

Allow making the first response of a MultiResponse the primary response
SecureNet: Allow some optional fields

Now :invoice_description and :invoice_number can be specified in the
options for a purchase or an authorization and we map :description to
the much larger NOTES field.

http://cl.ly/image/2e360n1g1T21/content.png

Closes #825.
Balanced: Adjust BalancedGateway::Error parent

It's now ActiveMerchant::ActiveMerchantError rather than StandardError.
We want to allow users of ActiveMerchant to generically rescue errors
without having to have special gateway specific handling.

Closes #826.
Merge pull request #822 from keikubo/webpay_currency_unit

Webpay: modify currency unit from yen (1) to sen (1/100) in JPY
Merge pull request #821 from prsimp/update_stripe_country_support

Update Stripe gateway to reflect current currency support