4th Ed. upgrade notes

Installing a standalone cpu/auth server, notes from a test install of auth server.

Forsyth's 3rd Ed -> 4th Ed. upgrade notes

3rd Ed -> 4th Ed. upgrade notes for our network (based on Forsyth's notes).

3rd Ed -> 4th Ed. fileserver upgrade notes for our network

3rd Ed -> 4th Ed. cpu/auth server upgrade notes for our network