Feature suggestion: Log nr of unsuppressed messages

[Ephem]

The number of console.logs(/warnings/errors) that were not suppressed might be a pretty interesting metric to log in the summary? Seeing how this grows over time and shrinks when you fix things might provide the needed push to go fix some of those logs.

I think I see how this could be implemented, so if it sounds like a good idea I could take a stab at creating a PR.