[js] Implement nqp::p6stateinit.
[js] Implement nqp::p6stateinit.

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