update recursive-refac with sector_mapping (includes up-to-date develop branch)

[catherinebirney]

relevant to recursive-refac:

• sector hierarchy updates: 'aggregated' or 'disaggregated' ->' flat' or 'parent-completeChild' or 'parent-incompleteChild'
• update map_to_sectors() to map differently depending on sector hierarchy
• new functions: -- return_primary_activity_column() -- estimate_suppressed_sectors_equal_attribution()
• updates to water_national_2015_m1 FBS to recursive method

relevant updates from master:

• updates to GHG FBS
• updates to github actions
• new gov and household sector codes
• new 7-digit waste management pathways
• sankey diagrams
• standard graph colors based on sectors
• new FBA/FBS
• new attribution sources col
• material crosswalk mapping
• begin to convert to use of pathlib Path

[catherinebirney]

@matthewlchambers checks are now passing for all FBS. I modified SEEA_2017_kg_v1 to drop a comma that broke the code. Take a look at modifications to update map_to_sectors() and let me know if you see any issues.

[catherinebirney]

I think this should all be basically fine, noting that I haven't tested all the additions to flowby.py. Also, in the recursive branch I don't think flowbysector.py is getting used much if at all, so I hope that the changes to flowbysector.py are accomplishing their intended goal.

@matthewlchambers I updated sector_mapping with the most recent changes to develop/master branches, so the changes in flowbysector.py are not applicable to the recursive code.

Thanks for the review - I will go ahead and merge