Changelog yesterday and today.

[Steve]

- added more detailed statistics for who's online
- added social bookmarking buttons for Twitter and Facebook
- set forum pages to view 40 threads instead of 20
- bolded 'sticky' notification to better identify them
- removed sticky threads from all pages except first.
- added snow effect
- reinstated moderators priviledges
- added breadcrumb trail below threads and forums
- changed all users default options so they can use PM system