added additional documentation to SmoothSkinningData
added additional documentation to SmoothSkinningData

goddardl/cortex,davidsminor/cortex,lento/cortex,appleseedhq/cortex,hradec/cortex,appleseedhq/cortex,appleseedhq/cortex,davidsminor/cortex,danieldresser/cortex,lento/cortex,goddardl/cortex,danieldresser/cortex,hradec/cortex,davidsminor/cortex,danieldresser/cortex,danieldresser/cortex,hradec/cortex,davidsminor/cortex,goddardl/cortex,lento/cortex