Can now play sound from sharpDX

Will keep the code in this branch untill I've cleand it up, atm it looks
a bit to ugly.
Just wanted to show that I've accually been working.
More and better sounds
Sound is now logaritmic.
Merge remote-tracking branch 'origin/Sound'

Conflicts:
	MusicWall3D/MusicWall3D/MusicWall3D.cs