School server notes.
 detecting connectivity
- for backup to server; for library synch
- for identifying how mesh works
 initial registration
- register XOs the first time you connect with a server. Manual registration: do it vi activation, whe nhanding out machines.
- How to update this later?
- which of the above can be automated?
- needs fixing soon for other features
- want to share groups and invites
- get something out this moment