Prep repo for Heroku

server.js

@@ -2,9 +2,17 @@ var express = require('express');
 
 // Create our app
 var app = express();
+const PORT = process.env.PORT || 3000;
 
+app.use(function (req, res, next) {
+  if (req.headers['x-forwarded-proto'] === 'http') {
+    next();
+  } else {
+    res.redirect('http://' + req.hostname + req.url);
+  }
+});
 app.use(express.static('public'));
 
-app.listen(3000, function () {
-  console.log('Express server is up on port 3000');
+app.listen(PORT, function () {
+  console.log('Express server is up on port ' + PORT);
 });