[js] Update to nqp-js closure refactor
[js] Update to nqp-js closure refactor

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