J. C. Roberts noted that Kristaps' man.7 is already better than the

J. C. Roberts noted that Kristaps' man.7 is already better than the
old groff_man.7 we currently install.  As a first step, move the new
manual where it belongs, not changing any content except the OpenBSD
marker.  The plan is, after some polishing, to install man.7 and not
install groff_man.7 any longer.

jmc@, sobrado@ and kristaps@ agree