enhancements

There were lots of support emails today around archive.org outages, I had to push through a number of uploads as an archive admin but they all seem to have finished now.

I also put in major updates for single signon. There's still lots of testing needed, but the main components are up and running on the production systems. The end result is that people should be able to cleanly login or out once to access all of our systems. Soon we hope to extend this to include SpinXpress.com in a way similar to how we handle archive.org accounts (we actually, like to do better than that, but that will take some time until we have implemented OpenID - coming in Drupal 6!).