Use the standard method for determining if the payment method is a check
Merge pull request #594 from Shopify/fix_checks

Use the standard method for determining if the payment method is a check
Bump for release
check to make sure payment_method_or_reference is not a string before trying to get card brand
Add Cybersource test for purchase by reference
Merge pull request #597 from natejgreene/master

cybersource:  Check that payment_method_or_reference is not a string before getting the card brand
Add debitCreditIndicator to amount if included in options
Use signature instead of certificate when testing paypal as recommended
by them.
Remove calls to depricated methods in paypal test.
Don't include the depricated field "Name" with the billing address.

The name on the CC is included elsewhere as "FirstName" and "LastName".
Including both was causing some issues was causing some strange
behaviour.
Bump for release 1.31.1
Paymill: Add full list of supported countries.
Revert "Don't include the depricated field "Name" with the billing address."

This reverts commit a4170d97ed85e474b44cf87b45f1f8eda15a09c8.
Use FirstName and LastName instead of Name in payflow.
Update beanstream_core.rb
Directly map first_name and last_name instead of combining them into one 'name' in payflow_link
Fix failing tests
Merge pull request #598 from Shopify/add-debit-credit-indicator-to-worldpay

Add debitCreditIndicator to amount if included in options
Merge pull request #599 from Shopify/paypal-double-name-fix

Paypal deprecated name field fix.
Submit shipping address with optimal payments