Implement the authentication frontend using the new API

src/authentic2_auth_msp/auth_frontends.py

@@ -1,6 +1,7 @@
 from django.utils.translation import gettext_noop
 from django.template.loader import render_to_string
-from django import forms
+from django.template import RequestContext
+from django.shortcuts import render
 
 from . import app_settings
 
@@ -14,12 +15,13 @@ class MspFrontend(object):
     def id(self):
         return 'msp'
 
-    def form(self):
-        return forms.Form
+    def login(self, request, *args, **kwargs):
+        context_instance = kwargs.pop('context_instance', None)
+        return render(request, 'authentic2_auth_msp/login.html',
+                context_instance=context_instance)
 
-    def template(self):
-        return 'authentic2_auth_msp/connecting.html'
-
-    def profile(self, request):
-        return render_to_string('authentic2_auth_msp/linking.html')
+    def profile(self, request, *args, **kwargs):
+        context_instance = kwargs.pop('context_instance', None) or RequestContext(request)
+        return render_to_string('authentic2_auth_msp/linking.html', {'popup': True},
+                context_instance=context_instance)
 

src/authentic2_auth_msp/templates/authentic2_auth_msp/login.html

@@ -0,0 +1 @@
+{% include "authentic2_auth_msp/connecting.html" with popup=1 %}