Support for other emulators

[MechaDragonX]

Support other emulators including:

• Kega Fusion
• VBA-M
• PCSX2
• Dolphin Has native support
• DeSmuME
• ePSXe
• melonDS

[MechaDragonX]

Edited to reflect FCEUX support in e32077c.

[MechaDragonX]

Edited to reflect Snes9x support in 2f5d20d.

[MechaDragonX]

Edited to reflect intention to add ePSXe support in #7.

[MechaDragonX]

Edited to reflect intention to add melonDS support in #8.
Edited to reflect Fusion support in 8612503.
Edited to reflecct VBA-M support in b79ce35.