fix proxy and tls
fix proxy and tls

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