[sos-develop] update

[Andrew Z. <ah...@ma...>]

- Many bugs have been fixed in CVS.
- The web site has a new design and more new content.  Sangeetha
Saligrama encouraged me to write documentation.  There is now a tutorial
on-line for new end-users.
- A maintenance release is due soon.
- SOS is in use at least one organization.


Andrew