Minor changes to the binary release guide commands
Minor changes to the binary release guide commands

- don't include owners and groups in tar archives
- make curl follow forwards (rakudo.org is currently forwarding downloads
to github)
- use `raku` instead of `perl6`

labster/rakudo,tony-o/rakudo,salortiz/rakudo,labster/rakudo,rakudo/rakudo,nbrown/rakudo,tbrowder/rakudo,nbrown/rakudo,tbrowder/rakudo,tony-o/rakudo,labster/rakudo,tbrowder/rakudo,labster/rakudo,nbrown/rakudo,tony-o/rakudo,salortiz/rakudo,nbrown/rakudo,salortiz/rakudo,labster/rakudo,labster/rakudo,salortiz/rakudo,rakudo/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,rakudo/rakudo,softmoth/rakudo,tony-o/rakudo,nbrown/rakudo,rakudo/rakudo,salortiz/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,rakudo/rakudo,tony-o/rakudo,nbrown/rakudo,salortiz/rakudo,tony-o/rakudo,rakudo/rakudo,softmoth/rakudo,softmoth/rakudo,softmoth/rakudo,MasterDuke17/rakudo,softmoth/rakudo,MasterDuke17/rakudo