Update ruby193-rubygem-excon to 0.28.0-1.el6

- Rebase to excon 0.28.0 (dcleal@redhat.com)
Update ruby193-rubygem-fog to 1.18.0-1.el6

- Rebase to fog 1.18.0 (dcleal@redhat.com)
Update rubygem-excon to 0.28.0-1.fc19

- Rebase to excon 0.28.0 (dcleal@redhat.com)
Update rubygem-fog to 1.18.0-1.fc19

- Rebase to fog 1.18.0 (dcleal@redhat.com)