_license/VegBank_schema/applies_to.txt: added exports/sPlot/BIEN-sPLot-Skype-finalNotes.docx

added validation/aggregating/plots/VegBank/bien3_validations_salvias_db_original_adjToVegBank.txt from Mike Lee

_license/*/applies_to.txt: added exclusion for "UCSB modifications"

_license/*/LICENSE.TXT: documented that the first section of the file is from license.eml.txt in each folder

/LICENSE.TXT, _license/VegBank_schema/LICENSE.TXT: moved text of the GPL2 license into separate file _license/GPL2.txt to avoid cluttering up LICENSE.TXT

added _license/VegBank_schema/applies_to.txt

*/LICENSE.TXT: GPL: removed divider between the copyright header and license text, since these are part of the same license

_license/ESA/: renamed to VegBank_schema/ because this license applies only to the VegBank schema

_license/VegBank/: renamed to ESA/ following the convention that each _license/ subfolder is a copyright owner

added _license/VegBank/