Don't bother with BUILDALL if BUILDPLAN is empty
Don't bother with BUILDALL if BUILDPLAN is empty

- because the next class with a BUILDALL in ^mro will do the right thing

labster/rakudo,usev6/rakudo,Gnouc/rakudo,tbrowder/rakudo,jonathanstowe/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,tbrowder/rakudo,tbrowder/rakudo,tony-o/rakudo,usev6/rakudo,Gnouc/rakudo,Gnouc/rakudo,tbrowder/rakudo,rakudo/rakudo,MasterDuke17/rakudo,awwaiid/rakudo,usev6/rakudo,raydiak/rakudo,rakudo/rakudo,labster/rakudo,salortiz/rakudo,MasterDuke17/rakudo,nbrown/rakudo,usev6/rakudo,lucasbuchala/rakudo,jonathanstowe/rakudo,raydiak/rakudo,jonathanstowe/rakudo,tbrowder/rakudo,MasterDuke17/rakudo,nbrown/rakudo,Gnouc/rakudo,tony-o/rakudo,softmoth/rakudo,rakudo/rakudo,tony-o/rakudo,labster/rakudo,nbrown/rakudo,labster/rakudo,MasterDuke17/rakudo,jonathanstowe/rakudo,usev6/rakudo,salortiz/rakudo,nbrown/rakudo,Gnouc/rakudo,tony-o/rakudo,rakudo/rakudo,nbrown/rakudo,softmoth/rakudo,salortiz/rakudo,nbrown/rakudo,lucasbuchala/rakudo,awwaiid/rakudo,tony-o/rakudo,tony-o/rakudo,salortiz/rakudo,jonathanstowe/rakudo,rakudo/rakudo,lucasbuchala/rakudo,rakudo/rakudo,softmoth/rakudo,awwaiid/rakudo,salortiz/rakudo,softmoth/rakudo,lucasbuchala/rakudo,softmoth/rakudo,awwaiid/rakudo,tbrowder/rakudo,raydiak/rakudo,labster/rakudo,labster/rakudo,salortiz/rakudo,raydiak/rakudo,awwaiid/rakudo,Gnouc/rakudo,MasterDuke17/rakudo