Refactor RFC 868, time protocol plugin
Refactor RFC 868, time protocol plugin

- Always do a dummy read to get peer address.
- Refactor to new format used by other built-ins

Signed-off-by: Joachim Nilsson <583c295fd7602c168ad814279bbc3894ba65f5d6@gmail.com>

troglobit/finit,troglobit/finit