[blacksmith] Bump version to 6.0.1-rc0
[blacksmith] Bump version to 6.0.1-rc0

fuel-infra/puppet-corosync,voxpupuli/puppet-corosync,voxpupuli/puppet-corosync,puppet-community/puppet-corosync,puppet-community/puppet-corosync,fuel-infra/puppet-corosync