* Added minimal support for Eaton EMP gen2 (Env. Monitorin Probe).
Probe is readable from both xups and eaton sensor mib. Many more details available in sensor mib.
* Added states for state sensors.
Added snmprec for an Eaton 9px with firmware 2.0.5 and a connected EMPg2 device.
* added an snmprec for a device with a connected emp g2, and renamed the existing snmprec so we can refer to it as a variant
* readded xupsEnvAmbientTemp sensor
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