Reset voices when resetting player state.
Reset Freeverb comb filter properly.
Implement panic functionality.
Add panic button.
Rename panic functionality to silence.
Plug in icon for the silence button.
Use tfire for pausing via the silence action.
Stop all notes explicitly on silence.
Add atomic silence operation to the audio engine.
Add remark.
Merge pull request #208 from kagu/panic_button2

Silence button