Update ruby193-rubygem-ancestry to 2.0.0-2.el6

- bumping ancestry (lzap+git@redhat.com)
- bump to 2.0.0 because this is in Fedora 19 now
Update rubygem-ancestry to 2.0.0-2.fc18

- bumping ancestry (lzap+git@redhat.com)
- bump to 2.0.0 because this is in Fedora 19 now
Update rubygem-powerbar to 1.0.11-6.fc19

- Different versions (mhulan@redhat.com)
Update rubygem-ancestry to 2.0.0-2.fc19

- bumping ancestry (lzap+git@redhat.com)
- bump to 2.0.0 because this is in Fedora 19 now