Upgrade Webpack

package.json

@@ -50,7 +50,7 @@
     "style-loader": "^0.13.1",
     "travis-weigh-in": "^1.0.2",
     "url-loader": "^0.5.7",
-    "webpack": "^1.14.0",
+    "webpack": "^2.2.0",
     "webpack-dev-server": "^1.15.1"
   },
   "dependencies": {
@@ -63,7 +63,8 @@
     "react-dom": "^15.4.2",
     "react-redux": "^5.0.2",
     "redux": "^3.5.2",
-    "redux-thunk": "^2.1.0"
+    "redux-thunk": "^2.1.0",
+    "webpack": "^2.2.0"
   },
   "jest": {
     "testRegex": "\\.test\\.js$",

webpack.config.js

@@ -2,22 +2,25 @@ const path = require('path');
 
 module.exports = {
   resolve: {
-    extensions: ['', '.js']
+    extensions: ['.js']
   },
   module: {
-    loaders: [
+    rules: [
       {
         test: /\.css$/,
-        loader: 'style-loader!css-loader'
+        use: [
+          'style-loader',
+          'css-loader'
+        ]
       },
       {
         test: /\.png$/i,
-        loader: 'url-loader?limit=100000'
+        use: 'url-loader?limit=100000'
       },
       {
         test: /\.js$/,
         exclude: /(node_modules|bower_components)/,
-        loader: 'babel' // 'babel-loader' is also a legal name to reference
+        use: 'babel-loader' // 'babel-loader' is also a legal name to reference
       }
     ],
     noParse: [

webpack.production.config.js

@@ -7,7 +7,9 @@ config.plugins = (config.plugins || []).concat([
       NODE_ENV: JSON.stringify('production')
     }
   }),
-  new webpack.optimize.UglifyJsPlugin()
+  new webpack.optimize.UglifyJsPlugin({
+    sourceMap: true
+  })
 ]);
 
 config.entry = (config.entry || []).concat([