rename AP_BattMonitor_BLHeliESC -> AP_BattMonitor_ESC
record volts, amps and consumption as floats
Correct ESC-telemetry-based voltage and temperature (<amilcar.lucas@iav.de>)
Correct ESC-telemetry-based voltage and temperature when less than 12 ESCs are used (<amilcar.lucas@iav.de>)
fix jumps in consumed current (<amilcar.lucas@iav.de>)
Implement temperature readings (<amilcar.lucas@iav.de>)
Fix temperature scaling (<amilcar.lucas@iav.de>)
Andy Piper