Updated admindocs to use class-based views

Thanks Bouke Haarsma for the review.

tests/admin_docs/urls.py

@@ -1,8 +1,10 @@
 from django.conf.urls import include, patterns
+from django.contrib import admin
 
 from . import views
 
 urlpatterns = patterns('',
+    (r'^admin/', include(admin.site.urls)),
     (r'^admindocs/', include('django.contrib.admindocs.urls')),
     (r'^xview/func/$', views.xview_dec(views.xview)),
     (r'^xview/class/$', views.xview_dec(views.XViewClass.as_view())),