Proposal: migrate project to Jazzband

[federicobond]

Hi @carljm, I noticed you marked this project as unmaintained. Do you think there is still value in it? I thought we propose to transition it to the Jazzband to collectively maintain it.

I am mostly using the fieldset functionality, which works well for my use case (I pair it with a custom renderer for django-bootstrap3). I don't know whether the rest of the functionality is still relevant.

[carljm]

Probably some is and some isn't. I think migrating it to Jazzband is a fine idea, if they are interested in accepting it.