2013-07-25: use the localtime for the server timestring.

use the localtime for the server timestring.

diff --git a/hello-world-server.w b/hello-world-server.w
--- a/hello-world-server.w
+++ b/hello-world-server.w
@@ -4,8 +4,8 @@
 define : timestring
   string-join 
     list
-        number->string : tm:hour : gmtime : current-time
-        number->string : tm:min : gmtime : current-time
+        number->string : tm:hour : localtime : current-time ; use gmtime to get UTC
+        number->string : tm:min : localtime : current-time
     . ":" ; delimiter
 
 define : greeting