more versatile interface
add PCIID for network devices
drop data model documentation

It has been transfered in the wiki, as a formal specification.
reorder elements
fix LSPCI parsing
no need for description in output
fix PCI slot parsing
add PCIID for video adapters
add PUBLISHER to dpkg inventory

It mimics rpm inventory, to ensure consistent result in GLPI, which
aggregates software based on name and publisher.
blacklist 'none' as valid publisher
additional HP references
debug messages for consumable identification