Fix alignment issues for white slipper.
Fix alignment issues for black slipper.
Add missing animations for white slipper.
Add missing animations for black slipper.
Use colormapping to generate gray and brown images.
Rename folder, since it has all animations now.
Touch up existing black-slipper animations.

Fill in gaps, and make the black slippers fit more closely to the
contours of the foot.
Merge pull request #16 from joewhite/female-slippers

Female slippers
Folded #16 into main .xcf file