QEMU RFB extension - new file xtscancodes.js

This new file contains the XT scancode mapping that
the extension will use in rfb.js file.

Signed-off-by: Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>

tests/vnc_playback.html

@@ -60,8 +60,9 @@
             message("Loading " + fname);
             // Load supporting scripts
             Util.load_scripts(["base64.js", "websock.js", "des.js", "keysym.js",
-                            "keysymdef.js", "keyboard.js", "input.js", "display.js",
-                            "rfb.js", "playback.js", "inflator.js", fname]);
+                            "keysymdef.js", "xtscancodes.js", "keyboard.js",
+                            "input.js", "display.js", "rfb.js", "playback.js",
+                            "inflator.js", fname]);
 
         } else {
             message("Must specify data=FOO in query string.");