Patch to support a first joystick with more than two axes.
+Andy Ross <andy@plausible.org>
+ Contributed a new configurable FDM, "YASim", based on geometry
+ information rather than aerodynamic coefficients.
+
+
Paul Schlyter <pausch@saaf.se>
Mr. Schlyter provided Durk Talsma with all the information
he needed to write the astro code. Mr. S. is also willing