consider closed-source, inner-source, open-source instead of public vs private

[travi]

this would better support github's private, internal, public model, but would also be more goal focused

[travi]

possibly also consider source-available/fair-code variants

OSS should be limited to OSI approved licenses. is there a list of the fair-code licenses that could be consumed as code already, or would this need to be hard-coded for now?