corrected man page and gencode update for correct messages
if hostname is an absolute path, strip alway leading slash

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
++changes(3.0.1)

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
Merge branch 'bugfix__directory' of https://github.com/dheule/cdist
update changelog

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>