Add support for the basic GPS telemetry values when using the GHST protocol.
* Fix formatting in GHST GPS telemetry changes
* GHST GPS Telemetry formatting cleanup
* GHST GPS Telemetry, Last formatting change
Send battery status (ghst_telemetry). Apply factors to show correct values of volts, amps and mAh. Change ghost protocol code to follow more MISRA C++ guidelines.