[wp-polyglots] Adding a new commiter

[Xavier Borderie]

> For anyone wanting to be added as a maintainer, we need the
> wordpress.org forum username for that person.
>
> Send the username to me along with the locale that user will be
> maintaining.  In this case, fr_FR.

Thanks. Here is the new guy's username : z720.
And, yes, fr_FR please.

x.