Get rid of a couple of copies of the CC0 text. Add header comment to
CC0 files to remind people editing them what the terms are. Also add
some missing XML headers. The header comments in layouts won't bloat
the binary - they get stripped out before compressing, same as any other
comments.
and MSX Turbo-R disks [Riley110, Fabio Priuli]
(MESS) msx1_cart: added several new dumps of Korean games [Fabio
Priuli]
(MESS) msx1_cass: added hundreds of tapes from existing collections
[Riley110, Fabio Priuli]
out of whatsnew: the work on msx1 disks is still ongoing and it will be ready hopefully soon.
