mappings/VegCore-VegBIEN.csv: Removed no longer used mappings for verbatimScientificName in _if conditions

inputs/.NCBI/nodes/test.xml.ref: Restored inserted row counts, which had gotten auto-accepted from a test run on a non-empty DB

sql_io.py: put_table(): DuplicateKeyException: Uniquifying input table to avoid internal duplicate keys: Also filter out duplicate rows in the out_table, so that they don't create duplicate key errors and the resulting index holes

sql.py: distinct_table(): Added support for custom joins used in creating the new table. This can then be used by sql_io.put_table() to filter out duplicate rows in the out_table, so that they don't create duplicate key errors and the resulting index holes.

README.TXT: Documentation: Redmine-formatted list of steps for column-based import: Added step to reinstall public schema first, to reset the sequences so that they don't create a diff when the new steps.by_col.log.sql is committed

Added inputs/ACAD/Specimen/logs/steps.by_col.log.sql

sql_gen.py: Join: Added support for mapping values which are lists, for use in USING joins

inputs/SALVIAS/*/test.xml.ref: Restored SALVIAS* inserted row counts, which had gotten auto-accepted from a test run on a non-empty DB

schemas/vegbien.sql: analytical_stem: Added locationName (authorPlotCode), subplot, individualCode (authorPlantCode) for use in validation

schemas/vegbien.sql: sync_analytical_stem_to_view(): Drop and re-create dependent objects to avoid errors that analytical_stem can't be dropped because of dependents