Add client support for Redis cluster

vendor/golang.org/x/sys/unix/ztypes_zos_s390x.go

vendor/golang.org/x/sys/windows/setupapi_windows.go

vendor/golang.org/x/sys/windows/syscall.go

vendor/golang.org/x/sys/windows/syscall_windows.go

vendor/golang.org/x/sys/windows/types_windows.go

vendor/golang.org/x/sys/windows/zsyscall_windows.go

vendor/golang.org/x/text/AUTHORS

vendor/golang.org/x/text/CONTRIBUTORS

vendor/golang.org/x/text/cases/trieval.go

vendor/golang.org/x/text/internal/language/compact/tables.go

vendor/golang.org/x/text/internal/language/lookup.go

vendor/golang.org/x/text/internal/language/parse.go

vendor/golang.org/x/text/internal/language/tables.go

vendor/golang.org/x/text/language/doc.go

vendor/golang.org/x/text/language/go1_1.go

vendor/golang.org/x/text/language/go1_2.go

vendor/golang.org/x/text/language/match.go

vendor/golang.org/x/text/language/parse.go

vendor/golang.org/x/text/language/tables.go

vendor/golang.org/x/text/unicode/norm/forminfo.go