Revert "Commented dependency on pupmod-concat module (missing on the Forge, but needed by the module in some case usages"

This reverts commit 47ef05758792be3df312792e19c26e00d82d103d.
Revert "Revert "Commented dependency on pupmod-concat module (missing on the Forge, but needed by the module in some case usages""

This reverts commit b44e6b129afc3eb08cff7582ca468676c9451f0e.
Revert "Error: Could not set 'file' on ensure: No such file or directory - /etc/nginx/sites-available/test.example at 62:/tmp/vagrant-puppet/modules-0/nginx/manifests/resource/vhost.pp"

This reverts commit c1eb259cfef4447fe6dc7841a1521aebe2c9bffe.
Error: Could not set 'file' on ensure: No such file or directory - /etc/nginx/sites-available/test.example at 62:/tmp/vagrant-puppet/modules-0/nginx/manifests/resource/vhost.pp