Work around notification problem with concat resources
Work around notification problem with concat resources

The service subscribing to concat resources does somehow not retain
execution order. But having the resources notify the service does.

puppetlabs/puppetlabs-dhcp,puppetlabs/puppetlabs-dhcp,archii/puppetlabs-dhcp,archii/puppetlabs-dhcp,ocadotechnology/puppetlabs-dhcp,ocadotechnology/puppetlabs-dhcp