[HK] Add new external library

I'm debating moving these to Git externals...
[DB] Add the ORM Designer file to the repository

This was separate in the past as ORM Designer did not support Linux. It does now :D
[DB] Update schema to allow for polling of details from switches via SNMP
[DB] Entities and proxies updated
[DB] Add new entries for SNMP polled switches
Update changelog
[HK] Remove errant semi-colon
[NF] New CLI controller for switch functions
[NF] Beginnings of switch poller. Commiting for testing.
Version bump
[IM] Finishing switch data via SNMP poll on production for real data
[NF] Plug switch information polled via SNMP into the frontend
Update change log