Also, remove DHT dependency and add a note in mos.yml to have application owners include those libraries. Without them, we'll compile no scaffolding. With them, we'll pull those in based on -DHAVE_* macros.
This timer will periodically upload Prometheus information to the push gateway. By default, every `sensors.pushgateway_period` (10) seconds.
Only DHT (AM3202) supported at this time.
