OpenBSD 4.3/4.4 news: hoststated -> relayd

In OpenBSD 4.3, hoststated has been renamed to relayd, emphasizing its layer 7 relay features.

Configuration file language changes slightly, expect a conversion guide to appear around release time

also, hoststated.conf becomes relayd.conf, hoststatectl becomes relayctl

The anchor name changes too,

 rdr-anchor "relayd/*"

In 4.4, we add a regular anchor (for filtering rules)

 anchor "relayd/*"