Update metadata.json to not give dependency errors in puppet3.8
Update metadata.json to not give dependency errors in puppet3.8

vchepkov/puppet-hiera,hunner/puppet-hiera,arineng/puppet-hiera,logicminds/puppet-hiera,arineng/puppet-hiera,hunner/puppet-hiera,logicminds/puppet-hiera,vchepkov/puppet-hiera