update changelog
update changelog

mitchellh/packer,dave2/packer,tas50/packer,mitchellh/packer,pecigonzalo/packer,tas50/packer,pecigonzalo/packer,mitchellh/packer,dave2/packer,ricardclau/packer,ricardclau/packer,mitchellh/packer,rnaveiras/packer,bryson/packer,hashicorp/packer,paulmey/packer,timsutton/packer,paulmey/packer,ricardclau/packer,rnaveiras/packer,hashicorp/packer,hashicorp/packer,dave2/packer,dave2/packer,grubernaut/packer,bryson/packer,tas50/packer,timsutton/packer,pecigonzalo/packer,bryson/packer,ricardclau/packer,timsutton/packer,grubernaut/packer,bryson/packer,ricardclau/packer,pecigonzalo/packer,rnaveiras/packer,mitchellh/packer,dave2/packer,paulmey/packer,rnaveiras/packer,hashicorp/packer,paulmey/packer,tas50/packer,timsutton/packer,rnaveiras/packer,timsutton/packer,rnaveiras/packer,grubernaut/packer,grubernaut/packer,tas50/packer,bryson/packer,bryson/packer,tas50/packer,timsutton/packer,dave2/packer,paulmey/packer,paulmey/packer,grubernaut/packer,grubernaut/packer,ricardclau/packer