Update lesion figure to use lettering
Remove pdf version of figure 3
Update figure 3 legend to new labels
Remove pdf version of PL figure
Update figure 2 labeling and format
Update legend for Fig 4
Update figure usage to png
Update getting started to top titles
Remove useless leftover example script
Update panorama to use single figure in tex files
Make bounding box tight for figs 3-4
Merge pull request #84 from jni/figformat

Finalize figure formatting for figures 3-5