message: add comments for the new functions
diff: @@ -239,8 +239,20 @@ public:
  void SetGeoreferenceOriginLongitudeLatitudeHeight(
  const glm::dvec3& TargetLongitudeLatitudeHeight);
  + /**
  + * This function is here for backwards compatibility. The function
  + * SetGeoreferenceOriginLongitudeLatitudeHeight should be used instead.
  + */
  void SetGeoreferenceOrigin(const glm::dvec3& TargetLongitudeLatitudeHeight);
  + /**
  + * This aligns the specified Earth-Centered, Earth-Fixed (ECEF) coordinates to
  + * Unreal's world origin. I.e. it moves the globe so that these coordinates
  + * exactly fall on the origin.
  + *
  + * When the WorldOriginCamera of this instance is currently contained
  + * the bounds of a sublevel, then this call has no effect.
  + */
  void SetGeoreferenceOriginEcef(const glm::dvec3& TargetEcef);
  /**
  * This aligns the specified longitude in degrees (X), latitude in
  