This patch creates src/art/ with svg icons of 32, 48, 64, 96, 128 and 256 pixels.

I changed some details from the old 48 px, to match more the gba in some details and fix pixel hitting.
Take a look at this gallery: http://www.zimagez.com/galerie/VBA-M-icons-32285-0.php

Signed-off-by: Arthur Moore <Arthur.Moore.git@cd-net.net>