mappings/VegCore.csv: TCS terms: Added TCS comments from <https://projects.nceas.ucsb.edu/nceas/projects/bien/wiki/VegBIEN_taxonomic_schema#TCS>
mappings/VegCore.csv: TCS terms: Added TCS comments from <https://projects.nceas.ucsb.edu/nceas/projects/bien/wiki/VegBIEN_taxonomic_schema#TCS>