Shopify/active_merchant — pull request #469 by fabiokr (2012-09-28 19:41:52+00:00)
Title: Adds support for subscription refund on Cybersource

This pull request allows one to refund a Cybersource subscription (stand alone credit http://support.cybersource.com/cybskb/index?page=content&id=C138&actp=LIST).

cc/ @jmazzi @tfwright @jpriddle