Fixed #3184 -- Changed the `unordered_list` template filter to use a more simple format, while maintaining backwards compatibility with the old format.  `unordered_list` now works with a simple list of items.  Thanks for the patch, SmileyChris.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@6019 bcc190cf-cafb-0310-a4f2-bffc1f526a37