Further color changes
Brighter colors, as requested
update Gonville, add GonvilleText

fallback to BravuraText
add vtests for Gonville

modeled after the Bravura tests
update vtests for Emmentaler and Bravura
Merge pull request #838 from Jojo-Schmitz/gonville-vtest

update for Gonville and vtests
Merge pull request #1292 from mirek2/color-scheme

Brighter colors