Merge pull request thephpleague#186 from JustinBusschau/omnipay-secpay

Adding the SecPay payment gateway

Author: amacneil

README.md

@@ -139,6 +139,7 @@ Gateway | Composer Package | Maintainer
 [Pin Payments](https://github.com/omnipay/pin) | omnipay/pin | [Adrian Macneil](https://github.com/adrianmacneil)
 [Sage Pay](https://github.com/omnipay/sagepay) | omnipay/sagepay | [Adrian Macneil](https://github.com/adrianmacneil)
 [SecurePay](https://github.com/omnipay/securepay) | omnipay/securepay | [Adrian Macneil](https://github.com/adrianmacneil)
+[SecPay](https://github.com/justinbusschau/omnipay-secpay) | justinbusschau/omnipay-secpay | [Justin Busschau](https://github.com/justinbusschau)
 [Sisow](https://github.com/nettob/omnipay-sisow) | nettob/omnipay-sisow | [Niek](https://github.com/nettob)
 [Skrill](https://github.com/alfaproject/omnipay-skrill) | alfaproject/omnipay-skrill | [João Dias](https://github.com/alfaproject)
 [Stripe](https://github.com/omnipay/stripe) | omnipay/stripe | [Adrian Macneil](https://github.com/adrianmacneil)