State: increase version number.

Renderer: display popover to warn when colors are synced.

This should help clarify this specific state (see kosua20#84).

State: enable waves and pedals by default.

This should help discoverability.

Update README.md

MIDIScene: disable particles that haven't started yet.

Because of the new playback speed option, time can jump back and existing live particles were not disabled.

Renderer: minor adjustments.

Interface: tweak export section.

Readme: detail new options.

Increase version number.

Readme: update images.