Repository migration due to Alioth shutdown

[Cantor, Scott]

> All of these have been idle for 4 years at least.  Is everyone OK with leaving
> them for archival by the Alioth maintainers?  Looking at it, shibboleth-resolver
> 1.0.0-1 is still happily present in unstable with 0 bugs. :)  The other 3 packages
> aren't part of Debian anymore (maybe shibboleth-idp2 never was).

The resolver package will be updated as part of the SP upgrade, FWIW.

It's used for Moonshot, and I have continued to maintain it for them.

-- Scott