update code.google.com links to github in the demo jsp and html.

java/demo/war/phonenumberparser.jsp

@@ -33,7 +33,7 @@
       <input type="submit" value="Submit">
       <input type="reset" value="Reset">
       <p></p>
-      <a href="http://code.google.com/p/libphonenumber/">Back to libphonenumber</a>
+      <a href="https://github.com/googlei18n/libphonenumber/">Back to libphonenumber</a>
     </form>
   </body>
 </html>

tools/java/data/webapp/index.html

@@ -15,7 +15,7 @@
 
       <textarea name="geodata" rows="20" cols="80"></textarea>
       <input type="submit" value="Submit"><br>
-      <a href="http://code.google.com/p/libphonenumber/">Back to libphonenumber</a>
+      <a href="https://github.com/googlei18n/libphonenumber/">Back to libphonenumber</a>
     </form>
   </body>