Due to the nature of this topic, its better to discuss Debian Appliance Builder topics via our pve-devel mailing list - therefore we close this sub forum.
All details about the pve-devel list can be found here:
http://pve.proxmox.com/wiki/Developer_Documentation
All details about the pve-devel list can be found here:
http://pve.proxmox.com/wiki/Developer_Documentation