Return only absolute URIs in services.json (fixes #7673)

src/authentic2_pratic/views.py

@@ -443,7 +443,7 @@ def agent_homepage_jsonp(request):
     data = []
     for name, url, slug, needed_authent in service_links:
         data.append({
-            'url': url,
+            'url': request.build_absolute_uri(url),
             'label': name,
             'authentication_level_is_enough': not bool(needed_authent),
             'authentication_levels': filter(None, needed_authent.split(', ')),