MAmidiMEmo v0.5-rc5

• Added SCC, YM3812, YM2413, MSM5232(+TA7630)
• v0.1 save data is not compatible with v0.5

//fix1 YM2151 pitch bend
//fix2 display error message on startup error
//fix3 Show warn message if there are no MIDI IN devices
//fix4 GBA SPSG & PSG partial reserve feature
//fix5 YM2151,CUS30 panpot, operator of YM2151,YM2612 is enabled by default, MIDI control values can be saved now