Doc changes for new API (part 1)

doc/index.html

@@ -47,7 +47,7 @@ var sys = require('sys'),
 http.createServer(function (req, res) {
   setTimeout(function () {
     res.writeHead(200, {'Content-Type': 'text/plain'});
-    res.close('Hello World');
+    res.end('Hello World\n');
   }, 2000);
 }).listen(8000);
 sys.puts('Server running at http://127.0.0.1:8000/');</pre>
@@ -79,7 +79,7 @@ var server = tcp.createServer(function (socket) {
   });
   socket.addListener("end", function () {
     socket.write("goodbye\r\n");
-    socket.close();
+    socket.end();
   });
 });
 server.listen(7000, "localhost");</pre>