display naemon version in the webinterface

to make this work, we create a file containing the version string, so we
could just source that file later.

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

 - grant thruk permission to submit checks into the spoolfolder
 - do not use tmp folder for update files
 - fix rpmlint errors

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