Set backend_verbose_name

Also mark it for translation.

shop_paypal/offsite_paypal.py

@@ -8,6 +8,7 @@
 from django.shortcuts import render_to_response
 from django.template import RequestContext
 from django.views.decorators.csrf import csrf_exempt
+from django.utils.translation import ugettext_lazy as _
 
 from paypal.standard.forms import PayPalPaymentsForm
 from paypal.standard.ipn.signals import payment_was_successful as success_signal
@@ -24,6 +25,7 @@ class OffsitePaypalBackend(object):
     '''
 
     backend_name = "Paypal"
+    backend_verbose_name = _("Paypal")
     url_namespace = "paypal"
 
     #===========================================================================