Preliminary libification - uses libdb for database lookups and permissions checks. Some functions in here (such as getting the outlet for a node) could probably stand to be moved to libdb.
Preliminary libification - uses libdb for database lookups and permissions
checks. Some functions in here (such as getting the outlet for a node) could
probably stand to be moved to libdb.

Also now uses the snmpit_apc library directly, so that it does not need to
make external calls to snmpit.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome