Simionic G1000 (PFD)

1. Changes the way of detecting MSFS or X-Plane from sending global broadcast packets to network broadcast packets, this fixes the issue of failed to connect to MSFS or X-Plane on the latest iPad OS 2. Magnetic variation has been re-modeled, this fixes the deviation issue when flying a flight plan and GPS approaches 3. Taking VORs' own magnetic variations into consideration instead of considering all the VORs are aligned to magnetic north 4. Added PSI as an option for torque display for a turboprop aircraft, the calculation is for Pilatus PC6 and PC12, may not apply to every turboprop planes