Updated SoV documents

I've updated the SoV documents, including the new sections on VM model and translation: http://cr.openjdk.java.net/~briangoetz/valhalla/sov/01-background.html -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.openjdk.java.net/pipermail/valhalla-spec-experts/attachments/20200327/65ee0150/attachment.htm>