message: Fix center text in gauge for new plotly version
diff: @@ -47,8 +47,8 @@ class Gauge_ extends BaseGraph {
  pad: 10,
  },
  annotations: [{
  - x: 0,
  - y: -0.05,
  + x: 0.5,
  + y: 0.5,
  text: '...',
  showarrow: false,
  ax: 0,
  