Added some unit tests for CircularQuadtree.cs
Non building commit due to hardware failure (Laptop broken)
Changed internal representation of links
This approach doesn't work, going to simplify to a circular flat plane
Modified CircularQuadtree to be flat
Merge branch 'feature/octree' into develop

Conflicts:
	Jaws/Data/WeatherNode.cs
	Jaws/Generators/WorldGenerator.cs