separate HorizontalBar component added, to remove optional 'type' parameter at Bar, which was ignored inside reactive mixins

src/BaseCharts/Bar.js

@@ -65,7 +65,7 @@ export default Vue.extend({
       let chartOptions = mergeOptions(this.defaultOptions, options)
       this._chart = new Chart(
         this.$refs.canvas.getContext('2d'), {
-          type: type || 'bar',
+          type: 'bar',
           data: data,
           options: chartOptions
         }