message: Reorder includes in Planet.h to place std library includes last
diff: #pragma once
  -#include <cmath>
  -
  #include <NAS2D/Signal.h>
  #include <NAS2D/Timer.h>
  #include <NAS2D/Renderer/Point.h>
  #include <NAS2D/Resources/Image.h>
  +#include <cmath>
  +
  class Planet
  {
  