Improving the data augmentation notebook.
Improving the data augmentation notebook.

Adding functionality so that the spatial augmentation is performed on
multiple inputs. This is the case for semantic segmentation where we
want the original segmentation to be mapped the same way the image is
mapped.

InsightSoftwareConsortium/SimpleITK-Notebooks,InsightSoftwareConsortium/SimpleITK-Notebooks,InsightSoftwareConsortium/SimpleITK-Notebooks,zivy/SimpleITK-Notebooks,zivy/SimpleITK-Notebooks,zivy/SimpleITK-Notebooks