Move traq to `src/`
Add `radium/twig-templating` package.
Move the alert HTML into the TWBS helper.
Use Twig and PHP for templating.
Convert layout to Twig.
Update `composer.lock`
Send request instance to views.
No layout for overlay views.
Return response object for JavaScript route.
Update subscription link helper.
Convert project index and show views to Twig.
Convert login view to Twig.