* Add Synology Hardware/Version/Serial detection
Fixes#7957
* Add DSM test data for hardware/version/serial
* updated to use snmp_get_multi_oid and save more test data
* added json data
* re-saved json data for dsm
* Update dsm.json
* Update dsm_ds916.json
* Update dsm_ds214.json
fallback feature so we don't have to run snmpsim on devel computers, should be adequate for now
./scripts/pre-commit.php -u -snmpsim will start an snmpsimd.py process automatically