Add note advising against including ReadMe.html in the scenery package distribution.
Fix library references in executables.
Objects follow each other over shared route path segments.
Convert doc to HTML5 so SVG renders in IE9+. Fix validation errors.
More checking reading GroundTraffic.txt, plus code tidy.
Quick and dirty gettimeofday implementation on Windows for benchmarking.
Add "highway" statement.
Take into account waiting objects when sharing paths.
Look up library names on first activation.
Split activation tasks into two worker threads.
Perform activation asynchronously unless plane is placed at airport.
Speed up collision calculation using per-segment bounding boxes.
Use X-Plane SDK 2.13.
Label objects with source line number and status.
Lose ICAO header statement. Calculate activation distance and centre from route bounding boxes.