Sensors.Imagenex837B: activation mechanism.
Imagenex837B: initialize activation and deactivation boolean variables.
Sensors.Imagenex837B: establish connection with device.
Sensors.Imagenex837B: check connection and activate.
Sensors.Imagenex837B: no need to have a deactivation sequence.
Sensors.Imagenex837B: no need to check current power channel state.
Sensors.Imagenex837B: no need to set counter top at each activation request.
Sensors.Imagenex837B: corrected main.
Power.PCTLv2: corrected channel 7 name.
Merge branch 'feature/imagenex837b_activation'