Adding nomalmap, revising the FDM, conforming properties for the MP........
PA28: Fix AI lighting problem (thanks Octal450)
Adding NormalMap, new FDM, new instruments, wheel axles etc.......
PA28: Fix case/texture/path error on adf, thanks Jonathan Redpath!
PA28: Add ADF, various
PA28: Add KN62a DME, make GNS530 optional
PA28: Add damage messages (thanks wlbragg for the suggestion)