Add serial and model number to the id attributes
Add serial and model number to the id attributes

Lay groundwork for pulling this sort of data in on discovery.  The plan is that *if* serial numbers will
be used as a cue for discovery, it would be in the context of a nodediscover command.

whowutwut/confluent,jjohnson42/confluent,jjohnson42/confluent,xcat2/confluent,jjohnson42/confluent,jjohnson42/confluent,whowutwut/confluent,xcat2/confluent,jjohnson42/confluent,whowutwut/confluent,xcat2/confluent,xcat2/confluent,whowutwut/confluent,xcat2/confluent