Merge pull request pharo-project#81 from tesonep/feature/merge-new-th…

…readedFFI-version

merge-new-threadedFFI-version

Not signing in travis... we do it later

Adding B3D plugin dependencies

Updating version to 8.3.0

Merge pull request pharo-project#55 from tesonep/fix-float-in-gcc-8.3

Fix Float in gcc 8.3

Slang generation working from Pharo

Added VMMaker sources

alpha release of the Pharo VM