adding TriangleMesh.scale()/translate() versions taking pure XYZ coordinates, no Vec3D wrapping required
adding TriangleMesh.scale()/translate() versions taking pure XYZ coordinates, no Vec3D wrapping required

rekii/toxiclibs,ruby-processing/toxiclibs,postspectacular/toxiclibs,postspectacular/toxiclibs,rekii/toxiclibs