Various documentation improvements (this is an evolving list):
- Write MPI and parallel processing
- Mention existing remote modules and add link to the list
- Finish reviewing examples after migration to sphinx #1865
- Rewrite Segmentation exercises to use all in one app for LSMS, change images...
- Add a 30 minutes introduction with illustrations about SAR images (find Creative Commons support look at SAREDU project for instance https://saredu.dlr.de/)
- Remove examples tests?
- Remove examples tests baselines?
- Add RunExamples.py script in a new test
- Fix missing example usages
- Improve license header filtering in rst render (itk copyright)
Documentation/Cookbook/Art/to Data/ after the LFS migration is complete (!387 (merged))