Update Webpack to v2 (#3628)

* Update webpack and its dependencies
* Update base config to Webpack 2

client/webpack/base.config.js

@@ -22,7 +22,7 @@ module.exports = function exports() {
   return {
     entry: entry,
     output: {
-      path: '.',
+      path: path.resolve('.'),
       filename: '[name].js',
       publicPath: '/static/js/'
     },
@@ -39,10 +39,10 @@ module.exports = function exports() {
       },
     },
     module: {
-      loaders: [
+      rules: [
         {
           test: /\.js$/,
-          loader: 'babel',
+          loader: 'babel-loader',
           exclude: /node_modules/,
         },
       ]

package.json

@@ -23,13 +23,13 @@
     ]
   },
   "devDependencies": {
-    "babel-cli": "^6.22.2",
-    "babel-core": "^6.22.1",
+    "babel-cli": "^6.24.1",
+    "babel-core": "^6.24.1",
     "babel-jest": "^20.0.3",
-    "babel-loader": "^6.2.10",
+    "babel-loader": "^7.0.0",
     "babel-plugin-lodash": "^3.2.11",
     "babel-polyfill": "^6.22.0",
-    "babel-preset-es2015": "^6.22.0",
+    "babel-preset-es2015": "^6.24.1",
     "babel-preset-react": "^6.24.1",
     "enzyme": "^2.8.2",
     "enzyme-to-json": "^1.5.1",
@@ -39,21 +39,21 @@
     "eslint-plugin-import": "^1.8.1",
     "eslint-plugin-jsx-a11y": "^1.5.3",
     "eslint-plugin-react": "^5.2.2",
-    "exports-loader": "^0.6.3",
+    "exports-loader": "^0.6.4",
     "gulp": "~3.8.11",
     "gulp-autoprefixer": "~3.0.2",
     "gulp-rename": "^1.2.2",
     "gulp-sass": "~2.3.1",
     "gulp-sourcemaps": "~1.5.2",
     "gulp-util": "~2.2.14",
-    "imports-loader": "^0.6.5",
+    "imports-loader": "^0.7.1",
     "jest": "^20.0.4",
     "mustache": "^2.2.1",
     "react-addons-test-utils": "^15.4.2",
     "react-test-renderer": "^15.5.4",
     "redux-mock-store": "^1.2.2",
     "require-dir": "^0.3.0",
-    "webpack": "^1.12.14"
+    "webpack": "^2.6.1"
   },
   "dependencies": {
     "focus-trap-react": "^3.0.3",