Fix broken links in the README.md
Fix broken links in the README.md

saimonn/puppet-mcollective,legooolas/puppet-mcollective,voxpupuli/puppet-mcollective,legooolas/puppet-mcollective,puppet-community/puppet-mcollective,buzzdeee/puppet-mcollective,buzzdeee/puppet-mcollective,saimonn/puppet-mcollective,voxpupuli/puppet-mcollective,fuel-infra/puppet-mcollective,puppet-community/puppet-mcollective,fuel-infra/puppet-mcollective