[development] Unmaintained/Abandoned Modules

[Khalid B]

The invite module seems to be currently abandoned.

Robert did some stuff on it a while back, and I wanted to take
temporary ownership of it for integration with adsense and user
points, but that is a client project that is now delayed.

I would say that if Nick Wilson wants to take ownership, or
at least be allowed to have commit access, then give him
that now.