Ladders changed the Teleporters

Teleporters and Pits need to draw properly
Simple Wall implementation
Fixed bug

cannot collide with inventions while going down stairs or up ladders
Skateboards Fixed
Fixed Stair bug
Merge remote-tracking branch 'origin/feature/AI' into develop

Conflicts:
	SleepyScientist/SleepyScientist/Game1.cs