Minor things needed to actually build the demo

Author: andrerpena

package.json

@@ -52,6 +52,7 @@
     "cross-env": "^2.0.0",
     "css-loader": "^0.23.1",
     "express": "^4.14.0",
+    "extract-text-webpack-plugin": "^1.0.1",
     "file-loader": "^0.9.0",
     "fs-extra-promise": "^0.4.0",
     "isparta": "^4.0.0",

webpack.config.demo.dev.js

@@ -0,0 +1,4 @@
+/* eslint no-var: 0 */
+require('babel-register');
+var config = require('./webpack/webpack.config.demo.dev.js');
+module.exports = config;

webpack.config.demo.prod.js

@@ -0,0 +1,4 @@
+/* eslint no-var: 0 */
+require('babel-register');
+var config = require('./webpack/webpack.config.demo.prod.js');
+module.exports = config;