Retirement

This overlay is being retired

I'm only keeping it for a few packages / bug fixes on my machines

The bulk of the changes are now in portage, the x11 overlay and the
steam / gamerlay overlays

Thanks for using this overlay and I hope you found it useful
Add back in gtk+:3 until it's commited upsteam
Remove dependency on 32bit gobject-introspection
Add in gobject-introspection again for gtk+:3 ebuild
Wrong folder
Add pycurl until deps are fixed