fix: OptimizeMeshes w/o SplitLargeMeshes was disabled due to obscure max_verts = 0 assignment
fix: optimize meshes when vertex & primitive format final
fix: smoothed normal qnan handling & more stable smoothed normals for imprecise geometry w/ long thin faces
fix: want to add if NOT qnan
Merge branch 'master' into dev

Conflicts:
	code/GenVertexNormalsProcess.cpp
Merge pull request #257 from tszirr/dev

Better smoothed normals & deferred OptimizeMeshes step