Update babel config for dynamic importing

frontend/.babelrc

@@ -8,7 +8,7 @@
     }],
     "stage-2"
   ],
-  "plugins": ["transform-runtime"],
+  "plugins": ["transform-runtime", "syntax-dynamic-import"],
   "env": {
     "test": {
       "presets": ["env", "stage-2"],

frontend/package.json

@@ -30,6 +30,7 @@
     "autoprefixer": "^7.1.2",
     "babel-core": "^6.22.1",
     "babel-loader": "^7.1.1",
+    "babel-plugin-syntax-dynamic-import": "^6.18.0",
     "babel-plugin-transform-runtime": "^6.22.0",
     "babel-preset-env": "^1.3.2",
     "babel-preset-stage-2": "^6.22.0",
@@ -46,18 +47,18 @@
     "friendly-errors-webpack-plugin": "^1.1.3",
     "html-webpack-plugin": "^2.28.0",
     "http-proxy-middleware": "^0.17.3",
-    "webpack-bundle-analyzer": "^2.2.1",
-    "semver": "^5.3.0",
-    "shelljs": "^0.7.6",
     "opn": "^5.1.0",
     "optimize-css-assets-webpack-plugin": "^2.0.0",
     "ora": "^1.2.0",
     "rimraf": "^2.6.0",
+    "semver": "^5.3.0",
+    "shelljs": "^0.7.6",
     "url-loader": "^0.5.8",
     "vue-loader": "^13.0.4",
     "vue-style-loader": "^3.0.1",
     "vue-template-compiler": "^2.4.2",
     "webpack": "^2.6.1",
+    "webpack-bundle-analyzer": "^2.2.1",
     "webpack-dev-middleware": "^1.10.0",
     "webpack-hot-middleware": "^2.18.0",
     "webpack-merge": "^4.1.0"