naemon-livestatus: add unixcat to packaged files

Signed-off-by: Sven Nierlein <sven@consol.de>
packaging: further unify used filesystem paths

according to FHS, put temp data into /var/cache/naemon
put runtime data into /var/lib/naemon

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