package cleanup

- exclude thruks debian folder from dist tarball
- remove leftovers on pkg purge

Signed-off-by: Sven Nierlein <sven@consol.de>
rename unixcat to naemon-unixcat

in order to avoid conflicts with existing packages

Signed-off-by: Sven Nierlein <sven@consol.de>
bumped thruk and core versions

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