[OpenFontLibrary] What licenses do we accept?

[Ed Trager]

> Hi Ed,
>
> In the project-and-organisation-specific deprecated category we may want
> to add detection for the following licensing models:
> - Utopia
> - Baekmuk

 ... Baekmuk font files also do not identify the license in any clear
way ... :-(

> - GUST
> - Hershey
> - Lucida
> - Stix
> - Wadalab
> - mplus
> - Mincho
>