UPD: added app to submit participant registrations.

dav_registration/urls.py

@@ -0,0 +1,11 @@
+from django.conf.urls import url
+
+from . import views
+
+urlpatterns = [
+    url(r'^$', views.RootView.as_view(), name='root'),
+    url(r'^finished', views.RegistrationSuccessView.as_view(), name='registered'),
+    url(r'^event/(?P<pk>\d+)/registration', views.RegistrationView.as_view(), name='register'),
+    url(r'^event/(?P<pk>\d+)/', views.EventDetailView.as_view(), name='event'),
+    url(r'^event', views.EventListView.as_view(), name='events'),
+]