Update ruby193-rubygem-rubyipmi to 0.7.0-2.el6

- Modernise and update for EL7
Update rubygem-rubyipmi to 0.7.0-2.el6

- Modernise and update for EL7
Update rubygem-rubyipmi to 0.7.0-2.fc19

- Modernise and update for EL7