Shopify/active_merchant — pull request #973 by boone (2014-01-02 18:49:15+00:00)
Title: Support all of the Orbital response codes which have “Approved” status.

The [Orbital specs](http://download.chasepaymentech.com/docs/orbital/orbital_gateway_xml_specification.pdf) (see appendix A, section A.2) consider several response codes as "approved". This PR allows all of them to return as successful.