Update rubygem-kafo to 0.0.8-1.el6

- Fixed loading from custom default_values_dir (mhulan@redhat.com)
Update rubygem-kafo to 0.0.8-1.fc18

- Fixed loading from custom default_values_dir (mhulan@redhat.com)
Update rubygem-kafo to 0.0.8-1.fc19

- Fixed loading from custom default_values_dir (mhulan@redhat.com)