Refs #14675 - Added import of url() function in project template urls.py,...

Refs #14675 - Added import of url() function in project template urls.py, added commented sample named url, and converted existing sample patterns to use url().

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15415 bcc190cf-cafb-0310-a4f2-bffc1f526a37