Configurable server port

config.example.js

@@ -2,5 +2,6 @@
 module.exports = {
    username: 'gh-username',
    password: 'gh-password',
-   repo: 'user/repo'
+   repo: 'user/repo',
+   port: 3001
 };

server.js

@@ -52,5 +52,5 @@ app.post('/update_ms_due_on', function(req, res) {
 });
 
 
-app.listen(3001);
-console.log('Listening on port 3001');
+app.listen(config.port);
+console.log('Listening on port '+config.port);