Update rubygem-kafo to 0.1.0-1.el6

- Progress bar support (mhulan@redhat.com)
Update rubygem-kafo to 0.1.0-1.fc18

- Progress bar support (mhulan@redhat.com)
Update rubygem-kafo to 0.1.0-1.fc19

- Progress bar support (mhulan@redhat.com)