Merge pull request #27 from auser/master

Added host option

Author: nathanoehlman

server.js

@@ -1,6 +1,7 @@
 var server = require('http').createServer();
 var switchboard = require('./')(server, { servelib: true });
 var port = parseInt(process.env.NODE_PORT || process.env.PORT || process.argv[2], 10) || 3000;
+var host = process.env.NODE_HOST || process.env.HOST || 'localhost';
 // var replify = require('replify');
 
 server.on('request', function(req, res) {
@@ -13,12 +14,12 @@ server.on('request', function(req, res) {
 });
 
 // start the server
-server.listen(port, function(err) {
+server.listen(port, host, function(err) {
   if (err) {
     return console.log('Encountered error starting server: ', err);
   }
 
-  console.log('server running at http://localhost:' + port + '/');
+  console.log('server running at http://' + host + ':' + port + '/');
 });
 
 // // add the repl