Use strength_scale instead of fixed value for Blue-RedGreen strength
This should especially improve maps for Gaussian patterns, but also direction maps
Added state_push/pop to ProjectionSheet to reset activities
Updated doc/reference_data submodule reference
Updated nbpublisher submodule reference
Updated doc/reference_data submodule reference
Changed inherent_features to be a list, the former dictionary is now in placeholder_mapping
Allow path to dataset rather than JSON file, allow glob, reorder imports
Updated inherent_features, changed jpg to png