Let's paint those bikesheds^Werror messages!

[Gary Willoughby via Digitalmars-d]

On Tuesday, 27 June 2017 at 14:32:28 UTC, Vladimir Panteleev 
wrote:

> - Yes, not everyone likes colors. You can turn all colors off 
> with a command-line switch.
> - Yes, everyone agrees that having all colors be configurable 
> would be good. We still need defaults that are going to look OK 
> on most terminals.
> - Yes, no matter what colors we choose, they're going to look 
> bad on some terminal somewhere. Let's worry about the major 
> platforms' most common terminals for now.

All of these points give added weight to this feature being opt 
in, not opt out. Why would we want to make output worse? Also, we 
shouldn't syntax highlight the message, just colour the whole 
line.