Merge branch 'master' into development
Merge branch 'development' into terrainimprove
Added planned functions for TerrainGenerator and Simplexnoise
Added PhysObject class, minor modifications in Simplexnoise
Added code for 4D simplex noise
Added gradients and simplex corners for 4d noise
Changed simplexnoise interface, added methods for changing frquency and octaves
Added function that (somewhat) evenly distributes points on a sphere
Merge branch 'terrainimprove' into development
Merge branch 'nurbsimplement' into development
Merge branch 'development' into nurbsimplement