Allow puppetlabs/concat 6.x, puppetlabs/stdlib 6.x
Allow puppetlabs/concat 6.x, puppetlabs/stdlib 6.x

voxpupuli/puppet-collectd,archii/puppet-collectd,archii/puppet-collectd,voxpupuli/puppet-collectd,voxpupuli/puppet-collectd,archii/puppet-collectd