Viewforum icons + legend #178 / #176

http://www.8.php-fusion.net/infusions/roadmap/view.php?item_id=178
http://www.8.php-fusion.net/infusions/roadmap/view.php?item_id=176
Forum's items per page #788

http://www.8.php-fusion.net/infusions/roadmap/view.php?item_id=788
Merge pull request #47 from Wolframos/master

Viewforum icons + legend #178 / #176