Adding noise suppression option

Turning this on will allow player not to receive queries to stop crafting and other tasks whenever he hears a noise. Useful when you have an engine running, for example. Or when you just don't care what happens around you unless someone actually comes close enough to pose a threat.

I hope it's okay to add something like this, since this is entirely optional to use. I would also like to add some more options like that: to suppress queries for stepping into smoke (again, mostly for crawling around vehicles) and to disable printing of some messages (music, glare, vehicle noises). Would that be okay?