update changelog
update changelog

bryson/packer,paulmey/packer,grubernaut/packer,timsutton/packer,mitchellh/packer,ricardclau/packer,dave2/packer,rnaveiras/packer,timsutton/packer,dave2/packer,ricardclau/packer,dave2/packer,grubernaut/packer,paulmey/packer,timsutton/packer,rnaveiras/packer,grubernaut/packer,pecigonzalo/packer,bryson/packer,paulmey/packer,hashicorp/packer,ricardclau/packer,ricardclau/packer,hashicorp/packer,dave2/packer,timsutton/packer,pecigonzalo/packer,ricardclau/packer,paulmey/packer,mitchellh/packer,paulmey/packer,bryson/packer,rnaveiras/packer,mitchellh/packer,mitchellh/packer,timsutton/packer,grubernaut/packer,paulmey/packer,dave2/packer,grubernaut/packer,grubernaut/packer,hashicorp/packer,pecigonzalo/packer,timsutton/packer,pecigonzalo/packer,rnaveiras/packer,dave2/packer,ricardclau/packer,rnaveiras/packer,bryson/packer,mitchellh/packer,bryson/packer,rnaveiras/packer,hashicorp/packer,bryson/packer