Remove the .spec file
I didn't notice that (I think I was never given notice, and, when I submitted the merge request yesterday, it was pretty late...). Thanks! I'll merge the request then.
Man pages: fix some errors
Translate man pages to Italian
For reference, the FlightGear merge request which must be merged together with this one is #99.
Remove the last traces of enhanced lighting support
Mark enhanced lighting options and --adf as deprecated
Man pages update