* anerd-client-tcp.go:
  - deprecated, use the shell (curl) one for better timestamping
    salt
* anerd-server-tcp.go:
  - log user-agent and nanosecond timestamp
* anerd, anerd-server-tcp.go:
  - rename "tip" to "challenge", use for challenge/response
  - verify challenge/response, to ensure personalized communication
* anerd:
  - use a common logging function throughout
* anerd-server-tcp.go:
  - open syslog only once
* anerd, debian/control:
  - lower socat to a suggests, while still requiring curl
  - dynamically check for socat/curl and error appropriately
  - update package description
  - recommend haveged on the server
* debian/anerd-server.default:
  - do not run the UDP, by default; local admin can enable by
    setting a port in /etc/default/anerd-server
* anerd, anerd-server-tcp.go, debian/anerd-client.postinst,
  debian/anerd-server.postrm:
  - rename uuid to tag
  - generate on package install, remove on purge
* anerd, debian/anerd-server.postrm => debian/anerd-client.postrm:
  - silence search for helper utilities
  - fix maintainer script name
* anerd:
  - silence missing tag error messages for now
releasing 2.4
opening 2.5