fix: Upgraded Babel setup

Author: halfzebra

package.json

@@ -17,13 +17,13 @@
     }
   },
   "dependencies": {
-    "@babel/cli": "7.0.0-beta.56",
-    "@babel/core": "7.0.0-beta.56",
-    "@babel/plugin-transform-runtime": "7.0.0-beta.56",
-    "@babel/preset-env": "7.0.0-beta.56",
+    "@babel/cli": "7.1.2",
+    "@babel/core": "7.1.2",
+    "@babel/plugin-transform-runtime": "7.1.0",
+    "@babel/preset-env": "7.1.0",
     "assets-webpack-plugin": "^3.5.1",
     "autoprefixer": "^8.0.0",
-    "babel-loader": "8.0.0-beta.4",
+    "babel-loader": "8.0.4",
     "babel-runtime": "^6.26.0",
     "case-sensitive-paths-webpack-plugin": "^2.1.2",
     "chalk": "^2.3.1",