Customize the "no results" message

We use Metabase to alert for exceptions and problems all the time, and when there are no results the page looks more like an error message rather than a friendly message. It would be nice if a question had a text box that would let us put in a custom message when no results are returned.

This could easily expand into something that can run specific code to give a dynamic message, such as “Days without injury: 10”, where the 10 is returned by a bit of code like “SELECT getdate()-max(injury_date)”. Alternate idea is you can link to another question when your current question has no results.