update manual (3D rotations and transformations)
geom2d: cleanup documentation inconsistencies (thanks to Friedhelm Krumm)
meshes3d/subdivideMesh: slight code cleanup
update manual
meshes3d/readMesh_ply.m: refactor
update manual with 3D ICP registration (registerPoints3d_icp.m)
add demo of registerPoints3d_icp
geom3d: add registerPoints3d_icp