[blacksmith] Bump version to 1.2.1-rc0
[blacksmith] Bump version to 1.2.1-rc0

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