map update for competition

- Changed global illumination day the map is much brighter than before
- Added more trees and grass
- Changed some shelters

Add sliding and swiming door
Add more light
Change building exterior contest

Bug fix
Graffiti removed

Add handrail stairs
Add bathroom furniture
bug fixes
new entrants to the convention center
brise soleil Solar shading
Add exhibitors in the foyer

Problem solved walls and floor
Add Reception desk and more furniture