* Remove leftover placeholders from defaults
* Add migration note about moved plugin defaults
* `defaultFontStyle` was renamed to `font.style`
* `defaultLineHeight` was renamed to `font.lineHeight`
* Horizontal Bar default tooltip mode was changed from `'index'` to `'nearest'` to match vertical bar charts
+* `legend`, `title` and `tooltip` namespaces were moved from `Chart.defaults` to `Chart.defaults.plugins`.
#### Scales
this.showLines = true;
this.plugins = {};
this.scale = undefined;
- this.legend = undefined;
- this.title = undefined;
- this.tooltips = undefined;
this.doughnut = undefined;
- this._routes = {};
this.scales = {};
this.controllers = undefined;
}