Implement "proper" vertical glyph metrics #107
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…ing to default rules
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Previously this was implemented via vpal, which isn't always on by default. This PR set proper vertical origins per glyph, and vertical advances, based on the original vpal.fea data, and the default fallbacks for glyphs not mentioned in vpal.fea.
This concludes and fixes #94.
This fixes #67.
This probably fixes #68.