status command is now implemented

The status command is now implemented. Correct the manual page not to
say otherwise. Originally reported by Dan Jacobson as
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=392436.

Signed-off-by: Colin Watson <cjwatson@debian.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>