change figure names

plots/Figure 5.06_small_label_exclusion.ipynb

...4.05_and_Figure_4.09_segmentation_gt_classification.ipynb

plots/Figure_4.10_Jaccard_index.ipynb

...and_Figure_5.15_Plotting_area_with_shape_classifier.ipynb

plots/Figure_5.17 - Figure_5.20_Plotting_shape.ipynb

...s/Figure_5.19_Solidity comparison with initial data.ipynb

plots/Figure_5.21_Scatterplots.ipynb

..._Solidity results of different classifiers compared.ipynb