Babel update (#2513)

* move all babel options to .babelrc file

* updated babel-loader

.babelrc

@@ -1,3 +1,7 @@
 {
-  "presets": ["es2015"]
+  "presets": ["es2015"],
+  "plugins": [
+    "transform-es3-property-literals",
+    "transform-es3-member-expression-literals"
+  ]
 }

gulpfile.js

@@ -48,11 +48,10 @@ var webpackModule = {
     {
       test: /\.js$/,
       exclude: /node_modules/,
-      loader: 'babel',
+      loader: 'babel-loader',
       query: {
-        cacheDirectory: true,
-        presets: ['es2015'],
-        plugins: ['transform-es3-property-literals', 'transform-es3-member-expression-literals']
+        cacheDirectory: true, // use cache to improve speed
+        babelrc: true // use the .baberc file
       }
     }
   ],

package.json

@@ -37,12 +37,12 @@
   },
   "devDependencies": {
     "async": "^2.0.0-rc.2",
-    "babel-core": "^6.6.5",
-    "babel-loader": "^6.2.4",
-    "babel-preset-es2015": "^6.6.0",
-    "babel-plugin-transform-es3-property-literals": "^6.8.0",
+    "babel-core": "^6.21.0",
+    "babel-loader": "^6.2.10",
     "babel-plugin-transform-es3-member-expression-literals": "^6.8.0",
-    "babelify": "^7.2.0",
+    "babel-plugin-transform-es3-property-literals": "^6.8.0",
+    "babel-preset-es2015": "^6.18.0",
+    "babelify": "^7.3.0",
     "clean-css": "^3.4.10",
     "gulp": "^3.9.1",
     "gulp-clean-css": "^2.0.11",