* Add language support metadata to the OFL families.
* Add language support metadata to all apache/ufl fonts.
* Add language support metadata / sample text to remaining OFL families.
* [gftools-packager] Bona Nova: Version 4.001; ttfautohint (v1.8.3) added
* Bona Nova Version 4.001; ttfautohint (v1.8.3) taken from the upstream repo https://github.com/kosmynkab/Bona-Nova at commit a5cbdfb874.
* [gftools-packager] ofl/bonanova remove METADATA "source". google/fonts#2587
* Bona Nova: readded description