Unix users please give this branch a test drive; for now I'm primarily
interested in potential build errors:
https://github.com/POV-Ray/povray/tree/experimental/freetype
Feel free to toy around with the `--with-libfreetype=DIR` and
`--without-libfreetype` options.
Also, if someone knows what a sane minimum requirement for the FreeType
version should be, let me know.
