Added article class to article page
Added category manager to category controller
Use existing db and safesql instances when bootstrapping
Use category controller in navigation
Converted RSS controller
Added new article class to frontpage
Removed getFeaturedCategories function. Use category manager instead
Refactored search with article manager
Use new join feature in manager and remove unnecessary user page markup
Fixed sidebar templates
Removed article and category class in favour of core classes
Set version for core
Remove article manager
Don't initialise environment in bootstrap. It is done in the app class
Use managers to get actual article and comment counts. Fixes #178
Added base_url option to config array
Merge branch 'master' into core_0.1
Catch not found exceptions
Fixed exception handling in index.php
Fix 404 page image