Lots of packages are missing versions in their name. This adds them where appropriate. These were found with this command: $ nix-env -qa -f. | grep -v '\-[0-9A-Za-z.-_+]*$' | grep -v '^hook$' See issue #41007.
The invalid meta.outputsToInstall has been blocking channel updates. https://mailman.science.uu.nl/pipermail/nix-dev/2017-June/023991.html
See #23620
