some basic cleaning up
Many notebook improvements with saved output
Offscreen rasterization
Image Basics updated
Fixes for Image Features (but no output)
Warping Images
Move some more into broken, fix up Affine
HTransforms output
PWA
TPS
TPS Derivatives
Cython update
Last new cleared up
Image features tested and working
:x
Move LK out of broken
Fix GPA import
Fix for landmark path selection
cleaner output, new transform output
Remove unused notebooks

Update the text in the rasterization notebook