DJabberd now lives on git and github

[Yann Kerherve]

> git filter-branch --tree-filter "rm -rf DJabberd-*; mv DJabberd/* . || true"
>
> I'll do that tomorrow morning (PST), so that anyone can chimes in with
> more suggestions or commit info changes.

This is now done, and I've recreated the tags as they were.

Please, have a look at it and give it thumbs-up thumbs-down before we
actually start using it.

Thanks,

Yann