Merge pull request #99 from doronlinder/master

Fixing undefined offset 0 when there are no articles
Replaced __autoload with spl_autoload which plays nicely with others
Added support for Twig #97
Added template for forum posts
Added ability to show posts that have < -3 karma #37
Added call to include twig on forum pages
Removed karma vote buttons on users posts
Reduced threshold for spam detection
Removed spoiler tags from non-bbcode parsed text #92
Added fixed max height for code blocks
Tweaked max height on code blocks
Experimental: theme changer
Tweaked home module font size
Updated loader class to handle themes
Changed feature circle icon colour
Restyled articles for easy reading
Reduced padding on article title section
Updated delimiters so it works with phpMyAdmin
Added extra folders to handle new functionality
Include Twig at all times