Commit, Bezier curve inplemented, test spline drawn with particles
Looked through code for heightmap.

Tried to find suitable replacement, nothing so far...
Forgot merge, started putting the track on the map, increased fidelity of map, needed  to split in four to make it work, tiled in the wrong order, fix
Fixed the environment map to reflect correctly. Fixes #26.
Added support for generated heightmap in Terrainmodel

Added normals to terrainmodel.
Fix broken code
Prepare to merge
The one large terrainModel takes in heightmap.
Added Lerp to surrounding heights of racetrack.

Smoothes out the area around the track to make it look natural
Added air particles that fly around in the scene
Fog added. Fixes #24.
Merge branch 'terrain' into fog

Conflicts:
	datx02-rally/datx02-rally/Cameras/DebugCamera.cs
	datx02-rally/datx02-rally/Game1.cs
Simulated point lights along the track. Added fog to skybox and terrain but not to the car as it will never show.