Threads can stand alone now. Threads can be attached to resources
directly without requiring a category. In addition, a lot of wiki stuff
and library discussion stuff was deleted because we're not gonna port
it.
I am in the middle of:
- porting the landing page
- making some db changes to help with that
- deleting the member and memberextended tables
Mainly the last one. Doing so requires us to update all the other tables
that currently point at member and memberextended so that the foreign
keys will point directly to users. The big thing that we still have yet
to do is links, and actually copying data from the member and
memberextended tables to users.