Adding notebooks and data

.gitignore

Segmentation/Notebooks/bench_meshing.ipynb

Segmentation/Notebooks/bundles_meshing.ipynb

Segmentation/Notebooks/chalk_meshing.ipynb

Segmentation/Notebooks/chalk_processing.ipynb

Segmentation/Notebooks/chalk_segmentation.ipynb

Segmentation/Notebooks/data/data_chalk/rh0010.tif

Segmentation/Notebooks/data/data_chalk/rh0500.tif

Segmentation/Notebooks/data/data_examples/cast_iron.png

Segmentation/Notebooks/data/data_examples/catalyst.tif

Segmentation/Notebooks/data/data_examples/dino_recon.png

...ntation/Notebooks/data/data_examples/fiber_slice_high.png

...entation/Notebooks/data/data_examples/fiber_slice_low.png

Segmentation/Notebooks/data/data_examples/plusplus_recon.png

Segmentation/Notebooks/data/data_fibers/bundles.tif

Segmentation/Notebooks/data/data_fibers/fiber_im_ct.png

Segmentation/Notebooks/data/data_fibers/fiber_im_opt.png

Segmentation/Notebooks/data/data_fibers/fiber_im_sem.png

Segmentation/Notebooks/data/data_meshing/Snap_0_0.tif

Segmentation/Notebooks/data/data_meshing/bench.jpg