Allow to disable normalization for audio export
Attached is a demo score.
The dynamic in the piece is 'p' and it sounds piano when played back using the current trunk.
However, export will do a normalization which causes the resulting WAV to sound horribly loud. Actually it's not usable in that form and has to be further processed using some wave editor.
This is a problem in every score, that doesn't use the maximum dynamic.
I think there have been some posts where this has been talked about already, but I didn't find a feature request for it, so here it is.