added schemas/VegCore/VegCore.ERD.letter_size.pdf. this must be generated in Linux rather than Mac, because the Mac PDF printer messes up the colors in the PDF (missing color profile?).
added schemas/VegCore/VegCore.ERD.letter_size.pdf. this must be generated in Linux rather than Mac, because the Mac PDF printer messes up the colors in the PDF (missing color profile?).