Updates/additions to notes & documentation
Subdir rename for clarity
Sopwith Camel - moving files

Moving files to subdir 'Obsolete' for clarity
Sopwith Camel - added p-factor, plus notes & file cleanup
Bombable.nas - updated blackout & redout settings for several AC
Sopwith Camel JSBSim - major update to FDM

Sopwith Camel JSBSIM FDM updated with

 - More historically accurate stall characteristics, critical angle of attack

 - Updated spin characteristics

 - Many other small improvements

 - Reverted correction for JSBSim gyroscopic direction problem that wasn't working
well - now the direction of the gyroscopic moment is wrong but the overall
effect is better.   Fix for the gyroscopic direction will have to wait fo the
appropriate fix within JSBSim.
Sopwith Camel - Updates to documentation