Refactored GOMidiPlayer for playing midi events though GOMidi instead of GOMOrganController

[oleg68]

Earlier GOMidiPlayer used GOOrganController::ProcessMidi for playing midi events. It caused that the Log Midi Events did not log events from a midi file.

This PR

• Introduces the new method GOMidi::PlayMidiEvent for the signge entry point for all events either from a midi devices or fom a midi file
• Now GOMidiPlayer uses GOMidi::PlayMidiEvent instead of GOOrganController::ProcessMidi
• Eliminates most of usages of GOOrganController in GOMidiPlayer
• Starts logging midi events when they are played from a midi file

[oleg68]

@rousseldenis Could you approve this PR?