Upgrade webpack (#1291)

* Upgrade webpack

* Address more webpack v2 ...

* Update html-webpack-plugin

* Remove LoaderOptionsPlugin from dev config

* ExtractTextPlugin still uses webpack 1 syntax
... and doesn't support complex options (yet)

* Grammar nit

* Update extract text webpack plugin

* - Remove webpack.LoaderOptionsPlugin
- Update deps

* Lerna hoists packages

* Update extract-text-webpack-plugin

* Update webpack-dev-server

* Remove imports for the tests

* stop removing babelrc

packages/react-scripts/package.json

@@ -39,20 +39,19 @@
     "dotenv": "2.0.0",
     "eslint": "3.8.1",
     "eslint-config-react-app": "^0.5.1",
-    "eslint-loader": "1.6.0",
+    "eslint-loader": "1.6.1",
     "eslint-plugin-flowtype": "2.21.0",
     "eslint-plugin-import": "2.0.1",
     "eslint-plugin-jsx-a11y": "2.2.3",
     "eslint-plugin-react": "6.4.1",
-    "extract-text-webpack-plugin": "1.0.1",
+    "extract-text-webpack-plugin": "2.0.0-rc.3",
     "file-loader": "0.10.0",
     "filesize": "3.3.0",
     "fs-extra": "0.30.0",
     "gzip-size": "3.0.0",
-    "html-webpack-plugin": "2.24.0",
+    "html-webpack-plugin": "2.28.0",
     "http-proxy-middleware": "0.17.3",
     "jest": "18.1.0",
-    "json-loader": "0.5.4",
     "object-assign": "4.1.1",
     "postcss-loader": "1.2.2",
     "promise": "7.1.1",
@@ -61,8 +60,8 @@
     "strip-ansi": "3.0.1",
     "style-loader": "0.13.1",
     "url-loader": "0.5.7",
-    "webpack": "1.14.0",
-    "webpack-dev-server": "1.16.2",
+    "webpack": "2.2.1",
+    "webpack-dev-server": "2.3.0",
     "webpack-manifest-plugin": "1.1.0",
     "whatwg-fetch": "2.0.2"
   },