Remove changing background.
Add a "new" page that will sort messages based on date.

It is only a front thing for now.  It needs to be implemented on the
back end.
Add new API endpoint and fix Alert factory error.
Refactor templates.  The landing page is now a different page.

The UX was not great with the landing page always on top of the messages.
Store captchas on Amazon S3.

For the app to be scalable it needs to store datas on a server
somewhere. Next step would be to use the same kind of scalable
architecture for the redis database.