bugfix: validation/aggregating/traits/BIEN2_traits/bien3_validations_traits_original_mysql.VegCore.sql: added util to search_path so that IFNULL would link to util.ifnull()

validation/aggregating/traits/BIEN2_traits/bien3_validations_traits_original_mysql.VegCore.sql: added view names using the steps at wiki.vegpath.org/Aggregating_validations_refactoring#prepend-CREATE-VIEW

validation/aggregating/traits/BIEN2_traits/bien3_validations_traits_original_mysql.VegCore.sql: removed trailing whitespace

schemas/vegbien.sql, validation/aggregating/*/*.sql: renamed public_validation_* to plural public_validations_* since we refer to them as aggregating validation*s*

validation/aggregating/pipeline/aggregating_validations_pipeline.odg: made "diff tables" the same size as the other major labels

validation/aggregating/pipeline/aggregating_validations_pipeline.odg: added CSVs export arrows and import process arrows, as decided in conference call

validation/aggregating/plots/bien3_validations_salvias_vegbien.sql: _12_count_of_verbatim_taxa_per_plot_in_each_project: removed typo (in the original queries, not added by the refactoring)

validation/aggregating/plots/bien3_validations_salvias_vegbien.sql: shortened view names to fit in the 63-char limit

validation/aggregating/*/*.sql: use "" to preserve case in column aliases, so that they match the input queries

validation/aggregating/*/*.sql: use current_schema instead of a hardcoded datasource name or psql variable