Standardised module loading system & fixed build system

Fixed broken build system in broken webpack version.
Also updates module system to standardise on ES6 import/exports,
Especially since babel has changed it's 'default' logic for the old
module system.

resources/assets/js/vues/entity-dashboard.js

@@ -39,6 +39,6 @@ function mounted() {
     this.type = this.$el.getAttribute('entity-type');
 }
 
-module.exports = {
+export default {
     data, computed, methods, mounted
 };