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]
Merge remote-tracking branch 'upstream/master'