icinga: Move misc files/dirs into module

Most of these are created by a package, and so
are not needed.

/var/lib/nagios/rw I am unsure, so let it be

Change-Id: Ie8e0c0fb8c279db0c7b0d0e5c6d77ac1dc3d3f09
Merge "icinga: Move misc files/dirs into module" into production