fix ie8 babel bug via es3ify-loader, ref ant-tool/atool-build#28

package.json

@@ -77,14 +77,13 @@
     "babel-jest": "^6.0.1",
     "babel-loader": "^6.2.0",
     "babel-plugin-add-module-exports": "^0.1.1",
-    "babel-plugin-transform-es3-member-expression-literals": "^6.3.13",
-    "babel-plugin-transform-es3-property-literals": "^6.3.13",
     "babel-preset-es2015": "^6.1.18",
     "babel-preset-react": "^6.1.18",
     "babel-preset-stage-0": "^6.1.18",
     "busboy": "^0.2.9",
     "chalk": "^1.1.0",
     "css-loader": "^0.23.0",
+    "es3ify-loader": "^0.1.0",
     "eslint": "^1.1.0",
     "eslint-config-airbnb": "^1.0.0",
     "eslint-plugin-babel": "^3.0.0",

webpack.config.js

@@ -21,12 +21,16 @@ module.exports = {
 
   module: {
     loaders: [{
+      test: /\.jsx?$/,
+      exclude: /node_modules/,
+      loader: 'es3ify',
+    }, {
       test: /\.jsx?$/,
       exclude: /node_modules/,
       loader: 'babel',
       query: {
         presets: ['es2015', 'react', 'stage-0'],
-        plugins: ['add-module-exports', 'transform-es3-member-expression-literals', 'transform-es3-property-literals']
+        plugins: ['add-module-exports']
       }
     }, {
       test: /\.json$/,