debian 8 changed radius client lib
nagvis: Updated to 1.8b7
Merge branch 'master' of mathias-kettner.de:omd
update radius pkg dependency

seems like libradiusclient is no longer part of debian 8.
nagvis: updated to current nightly
rename to omd-nc
added icinga2
added naemon

Signed-off-by: Sven Nierlein <Sven.Nierlein@consol.de>