READ : Release of the new versions 4.7.x-2.4 and 5.x-1.4: download from here

I've just release these new releases, but it seems to be a problem
with the ftp server that Drupal.org uses.

In meantime it will be solved, you can download the new releases from here :

http://www.speedtech.it/files/localizer-4.7.x-2.4.tar.gz
http://www.speedtech.it/files/localizer-5.x-1.4.tar.gz