Updated JavaScript to 6.0.3

Author: PerfectlyNormal

app/assets/javascripts/highcharts.js

@@ -1,5 +1,5 @@
 /**
- * @license Highcharts JS v6.0.2 (2017-10-20)
+ * @license Highcharts JS v6.0.3 (2017-11-14)
  *
  * 3D features for Highcharts JS
  *

app/assets/javascripts/highcharts/highcharts-3d.js

@@ -1,5 +1,5 @@
 /**
- * @license Highcharts JS v6.0.2 (2017-10-20)
+ * @license Highcharts JS v6.0.3 (2017-11-14)
  *
  * (c) 2009-2016 Torstein Honsi
  *
@@ -1321,7 +1321,7 @@
                 }
 
                 this.graphPath = linePath;
-                this.areaPath = this.areaPath.concat(lowerPath, higherAreaPath);
+                this.areaPath = lowerPath.concat(higherAreaPath);
 
                 // Prepare for sideways animation
                 linePath.isArea = true;