Created django.contrib and moved comments into it

git-svn-id: http://code.djangoproject.com/svn/django/trunk@28 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/comments/models/__init__.py

@@ -0,0 +1 @@
+__all__ = ['comments']

django/models/__init__.py

@@ -1,6 +1,6 @@
 from django.core import meta
 
-__all__ = ['auth', 'comments', 'core']
+__all__ = ['auth', 'core']
 
 # Alter this package's __path__ variable so that calling code can import models
 # from "django.models" even though the model code doesn't physically live