message: Clip long numbers in heatmaps, as opposed to wrapping.
  Tooltip will still show the necessary detail.
diff: @@ -22,12 +22,14 @@ type Props = {
  };
  const cellStyle = style({
  - overflow: 'hidden',
  - fontSize: '.7rem',
  + alignItems: 'center',
  borderRadius: 3,
  display: 'flex',
  + fontSize: '.7rem',
  justifyContent: 'center',
  - alignItems: 'center'
  + overflow: 'hidden',
  + textOverflow: 'clip',
  + whiteSpace: 'nowrap'
  });
  export class HeatMap extends React.Component<Props> {
  