show view count in topic previews. show 'new posts!' too if there have been posts added to topic since the user last accessed site. note that refreshing the page will remove all 'new posts' that occurred before the session started.
Merge pull request #23 from jackrr/improve-topic-previews

show view count in topic previews. show 'new posts!' too if there have b...
Merge branch 'master' of https://github.com/jackrr/obiechat into production