Added admin URLs back to the urls.py example in the tutorial - had a complaint...

Added admin URLs back to the urls.py example in the tutorial - had a complaint from someone following the tutorial that they got to that step and the admin stopped working and they weren't sure why

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10727 bcc190cf-cafb-0310-a4f2-bffc1f526a37