Use new way to load language files in user.setup
Add links for prev and next pages
Split template into multiple files and move CSS from HTML to .css
Fix template layout a bit
[develop-caitlyn] Cleanup controller dependencies
[develop-caitlyn] Use new pagination style

This will break the newspage, until PHPBB3-11805 is merged
[develop-caitlyn] Move some stuff into methods to clean up the controller
[develop-caitlyn] We use the cache for the icon data, no need for the query
[develop-caitlyn] Cleanup some more code