message: connect the props to the store
diff: @@ -31,7 +31,7 @@ export default class ToolBar extends React.Component {
  { PlaybackState.isPlaying ? <Stop onClick={PlaybackState.abortPlaying} /> : null }
  { PlaybackState.isPlaying ? <Pause isActive={PlaybackState.paused} onClick={!PlaybackState.paused ? PlaybackState.pause : PlaybackState.resume} /> : null }
  { !PlaybackState.isPlaying ? <StepInto disabled={!UiState.selectedCommand} onClick={() => PlaybackState.startPlaying(UiState.selectedCommand)} /> : null }
  - <GaugeMenu opener={<SpeedGauge />} />
  + <GaugeMenu opener={<SpeedGauge />} value={PlaybackState.delay} maxDelay={PlaybackState.maxDelay} onChange={PlaybackState.setDelay} />
  <span style={{
  float: "right"
  }}>
  