(MESS) intv.xml: added some more titles, mostly protos from GoodINTV. nw.
(MESS) astrocde: installing expansion handlers only if a slot card is
present avoids the appearance of gfx garbage at start. garbage
disappeared when pressing reset, but it is better in this way, of course.
nw.
snes_ppu: let's initialize more class variables! nw.
fixed usage of uninitialized members in sns_sa1_device (nw)

happened with e.g. snes -cart sdf1gpp
fixed usage of uninitialized member in snes_ppu_device (nw)

happened with e.g. snes -cart sdf1gpp
segaufo layout file placeholder
Convert to UTF-8.
Merge pull request #24 from 0-wiz-0/master

Convert to UTF-8.
twin16: according to schems this is priority related, not a flip bit (nw)
ignore inp directory (nw)
ufomini works
New Arkanoid Returns clone

New Clone Added
-----------------------------------------------
Arkanoid Returns (Ver 2.02A 1997/02/10) [Bill D, The Dumping Union]
(MESS) x820ii: Added notes and BIOS revisions. (nw)
ufo21 works
Fix for incorrectly listed crc in ec1841.xml (nw)
new clones
Botanic (English / Spanish) [Arcade Vintage ((http://arcadevintageshop.blogspot.com.es/ ), Ricky2001]
new clones
Galaxy Monsters (Laguna S.A. Spanish bootleg of Space Invaders) [Arcade Vintage ( http://arcadevintageshop.blogspot.com.es/ ), Ricky2001]
new clones
Donkey Kong (Spanish Crazy Kong bootleg) [Marcos75 (from AUMAP)]
new clones
JT-104 [??]

seems to be a cheap hack (just a gfx rom change) but some sources say it's official.  There's a possibility the board should have been using different program roms to the ones that were on it.
"UA" in airwolfa is United Amusements