Bug fix: educational resource image files were not being properly created and removed when resources were activated and deactivated. Now they are.
Bug fix: educational resource image files were not being properly created
and removed when resources were activated and deactivated. Now they are.

paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new,paleobiodb/pbdb-new