Replacing sys.puts / error to console.log / error.

The "sys" module is now called "util" and it is not really necessary in this example.

examples/file-server.js

@@ -1,4 +1,3 @@
-var sys = require('sys');
 var static = require('../lib/node-static');
 
 //
@@ -13,14 +12,14 @@ require('http').createServer(function (request, response) {
         //
         file.serve(request, response, function (err, res) {
             if (err) { // An error as occured
-                sys.error("> Error serving " + request.url + " - " + err.message);
+                console.error("> Error serving " + request.url + " - " + err.message);
                 response.writeHead(err.status, err.headers);
                 response.end();
             } else { // The file was served successfully
-                sys.puts("> " + request.url + " - " + res.message);
+                console.log("> " + request.url + " - " + res.message);
             }
         });
     });
 }).listen(8080);
 
-sys.puts("> node-static is listening on http://127.0.0.1:8080");
+console.log("> node-static is listening on http://127.0.0.1:8080");