change case of component name (#61)

* change case of component name

* change casing in create.js

Author: dmitriytat

src/constructors.js

@@ -1,6 +1,6 @@
 export default {
-  highcharts: 'Chart',
-  highstock: 'StockChart',
-  highmaps: 'Map',
-  'highcharts-renderer': 'Renderer'
+  Highcharts: 'Chart',
+  Highstock: 'StockChart',
+  Highmaps: 'Map',
+  HighchartsRenderer: 'Renderer'
 };

src/create.js

@@ -15,7 +15,7 @@ function create(tagName, Highcharts, Vue) {
       // to avoid unmated content during SSR, it returns minimum component.
       : { render: render };
   }
-  var isRenderer = tagName === 'highcharts-renderer';
+  var isRenderer = tagName === 'HighchartsRenderer';
   var component = {
     name: tagName,
     props: isRenderer