Add support for assets concatenation and minification

app.js

@@ -57,6 +57,11 @@ app.locals.cacheBuster = Date.now();
 app.set('port', process.env.PORT || 3000);
 app.set('views', path.join(__dirname, 'views'));
 app.set('view engine', 'jade');
+app.use(require('connect-assets')({
+  build: 'production' === app.get('env'),
+  src: 'public',
+  helperContext: app.locals
+}));
 app.use(express.compress());
 app.use(express.favicon());
 app.use(express.logger('dev'));