FlightGear - Flight Simulator FGAddon

- AFS: Improved flight director pitch bar during takeoff
- AFS: Address an edge case where T/O CLAMP and CLB THRUST could flicker
- AFS: If land modes revert, they now blink on the FMA
- AFS: If the active AP fails during DUAL LAND, the other AP now takes over automatically
- AFS: Address a situation where SINGLE LAND might incorrectly upgrade to DUAL
- Control: Improved RCWS law
- DU: Add SD HYD synoptic
- Files: Significant restructuring and cleanup
- FMS: Add ECON computations
- MCDU: Add PERF CLB page
- Sim: Flight controls are now sent over MP
- System: Improved hydraulic system