====== Hero customization feature ======

====== Gender issue (phase 1) ======

  *  new layer: underwear_gender (man, woman, none)
  *  bodies (man, woman) -> human (everyone naked)


====== Skin color issue ======

  *  bodies human -> human_[white,black,brown,yellow, etc] 
  *  bodies gnoll -> gnoll_[brown, pink, violet, etc]

  *  heads head_class_subclass -> head_race_skinColor (no hairs at all on heads)

  *  hands class_animation -> race_skinColor_animation

or!

Define palette remap from current skin to all new colors.