Fixed #15552 -- LOGIN_URL and LOGIN_REDIRECT_URL can take URLpattern names.

Thanks UloPe and Eric Florenzano for the patch, and Malcolm Tredinnick for
review.

tests/regressiontests/comment_tests/urls_default.py

@@ -0,0 +1,9 @@
+from django.conf.urls.defaults import *
+
+urlpatterns = patterns('',
+    (r'^', include('django.contrib.comments.urls')),
+
+    # Provide the auth system login and logout views
+    (r'^accounts/login/$', 'django.contrib.auth.views.login', {'template_name': 'login.html'}),
+    (r'^accounts/logout/$', 'django.contrib.auth.views.logout'),
+)