[#62831904] Set absolute path for Puppet manifests
[#62831904] Set absolute path for Puppet manifests

- Fixes an issue with Vagrant 1.4.x where Hiera safety check fails

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet