replaced explicit + descendant listing calculation with values from cascading listing changes (to avoid issues with inclusions and reduce discrepancy)
Merge branch 'master' into natator_depressus_fix
Removed unneeded padding. trying to fix the image for tall screens.
Merge pull request #82 from unepwcmc/natator_depressus_fix

fix for Natator depressus and a simplification in current listing calculations