Documentation should be clearer about supported emulators and folders

[Jeff]

[Jeff]

according to /root/databases/emulators.conf the following folders and emulators are supported.

arcade;mame2003_plus_libretro.so
mame2003;mame2003_libretro.so
mame2003plus;mame2003_plus_libretro.so
mame2000;mame2000_libretro.so
atari2600;stella_libretro.so
coleco;fbalpha_libretro.so
fbneo;fbneo_libretro.so
gamegear;genesis_plus_gx_libretro.so
gb;gambatte_libretro.so
gba;mgba_libretro.so
genesis;genesis_plus_gx_libretro.so
lr-fbalpha;fbalpha_libretro.so
mastersystem;genesis_plus_gx_libretro.so
megadrive;picodrive_libretro.so
msx;fbalpha_libretro.so
n64;glupen64_libretro.so
neogeo;fbneo_libretro.so
nes;fceumm_libretro.so
nestopia;nestopia_libretro.so
null;mednafen_psx_libretro.so
pce;mednafen_pce_fast_libretro.so
pcecd;mednafen_pce_fast_libretro.so
psp;remotejoy_libretro.co
psx;pcsx_rearmed_libretro.so
segacd;genesis_plus_gx_libretro.so
sg1000;fbalpha_libretro.so
snes;snes9x2010_libretro.so
spectrum;fuse_libretro.so
supergrafx;mednafen_supergrafx_libretro.so

So, for example, for MAME it should be documented that the following sets can be used:

• arcade or mame2003plus folder: mame2003_plus (ROM set: MAME 0.78-MAME 0.188)
• mame2003 folder: mame2003 (ROM set: MAME 0.78)
• mame2000 folder; mame2000 (ROM set: MAME 0.37b5)