* 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] RocknRoll One: Version 1.000; ttfautohint (v1.8.3) added
* RocknRoll One Version 1.000; ttfautohint (v1.8.3) taken from the upstream repo https://github.com/fontworks-fonts/RocknRoll.git at commit 3c40a13989.
* [gftools-packager] ofl/rocknrollone remove METADATA "source". google/fonts#2587
* Update METADATA.pb