Third-oldest image is thrown away instead of oldest, if there are at least 4 images. (Oldest is kept.)
Third-oldest image is thrown away instead of oldest, if there are at least 4
images. (Oldest is kept.)

Various cd message updates.


danielbarter/minix_book,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,danielbarter/minix_book,danielbarter/minix_book,danielbarter/minix_book,danielbarter/minix_book,veritas-shine/minix3-rpi,danielbarter/minix_book,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi