win32gui message history; also clipboard support (from <Someone>)

- added 2 menu options: Copy ASCII Screenshot To Clipboard, Save
  ASCII Screenshot To File
- implemented saving message history

win/win32/winhack.c

@@ -110,6 +110,8 @@ int APIENTRY WinMain(HINSTANCE hInstance,
 	_nethack_app.bAutoLayout = TRUE;
 	_nethack_app.bWindowsLocked = TRUE;
 
+	_nethack_app.bNoSounds = FALSE;
+
     // init controls
     if (FAILED(GetComCtlVersion(&major, &minor)))
     {