FlightGear - Flight Simulator FGAddon

Boeing 247 / 247 D: Reorganisation of files. Revision of the FDM.

QSeries (Q400): correct path to XML file to allow the plane to appear in the launcher.
Closes #2383.

HK36: Higher speedbrake drag, small fixes

mosquito/mosquito-common.xml: updated version to 3.3.3.

mosquito/mosquito-set.xml: added bomb-aiming view to bomber aircraft.

Models/mosquito.ac: specify texture for bomber tailwheel.

mosquito/mosquito-common.xml: minor clarification of startup text.

mosquito/mosquito-set.xml: adjust bomber pilot view position to match fighter-bomber.

A320 update:
- Optimizations and improvements to Nasal code-
- Addition of KGs option for input and display
- Simbrief considers units chosen in simbrief
- Fix bug in wind component parser in simbrief
- Fix serious bug on the F/O PFD where speed displayed incorrectly
- Managed speed now respects the VAPP speed input in MCDU (thanks D-SVEN)
- Addition of flap indication on E/WD

Translate add-on metadata into French

In a few cases, also fix formatting of the English strings: add missing
period at the end of the short description, remove undesirable hard
newlines from the long description, etc.