Upgraded Dragonbird to goldensimples

Upgraded blue falcon to golden simples

Changed empire roads to Nitronic roads.
Changed simples on banners of mutecity and go fast to new world text.
Changed Go arch simples to world text.
Changed sky for mor of a virbrant sunset.
Lowered intensity of lights.
Changed last stretch that went F-Zero speed and added a few new boost pads and gravity triggers in place.
Changed part of road leading upto 3rd big building to have more turns,like Mario Kart 8 MuteCity.
Changed corkscrew to upsidedown part befor metal corkscrew to be a more smoother transition.
Widened metal corkscrew to eleviate easy drive offs and also lowered height before returning to road.
Added in empire power ring to metal corkscrew.
Readded Captain Falcon banners and even added a few more.
Readded F-Zero machines Blue Falcon,Fire Stingray, Dragon Bird and Golden Fox and turned down light intensity on their boosters.
Shortened gaps between jumps and made red jump pads single simple cubes instead of 2 parts.
Changed fog intenity,ambient lighting, and skybox values.
Adjusted medal times because of changes.