allow puppetlabs/concat 5.x
allow puppetlabs/concat 5.x

raphink/puppet-nginx,icann-dns/puppet-nginx,voxpupuli/puppet-nginx,hbog/puppet-nginx,jfryman/puppet-nginx,jfryman/puppet-nginx,voxpupuli/puppet-nginx,hbog/puppet-nginx,icann-dns/puppet-nginx