* 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.
* Minor update to METADATA file
As the packager doesn't automatically add the Japanese subset to the Yuji fonts (due to their limited Japanese character set), I've manually re-added the subset.
Additionally, while checking the other Kana-only fonts, I found that cherry bomb's is mis-ordered (should be alphabetical) and corrected that.
* Update METADATA.pb
