Change swiper.jquery.js to swiper.jquery.umd.js to fix #3.

Author: panteng

config/vendors.js

@@ -10,11 +10,11 @@ module.exports = {
 
     javascripts: [
         'node_modules/jquery/dist/jquery.js',
-        'node_modules/swiper/dist/js/swiper.jquery.js'
+        'node_modules/swiper/dist/js/swiper.jquery.umd.js'
     ],
 
     fonts: [
         // if you need font-awesome
         // 'node_modules/font-awesome/fonts/*'
     ]
-};
+};