Started rewriting Roadmap to use Sinatra::Base.
Updated project routes.
Added 404 route.
Renamed the translations directory and updated the English translation.
Language helpers.
Updated helpers.
Updated Language and Translation classes.
Updated Project and Setting models.
Removed init.rb files for models and routes.
Added base route class.
Added Theme class.
Added default theme.
Removed old view files.
Updated prototype.