Switch to github.com/golang/dep for vendoring

Signed-off-by: Mrunal Patel <mrunalp@gmail.com>

vendor/k8s.io/kubernetes/federation/cmd/genfeddocs/BUILD

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+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_binary",
+    "go_library",
+)
+
+go_binary(
+    name = "genfeddocs",
+    library = ":go_default_library",
+    tags = ["automanaged"],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["gen_fed_docs.go"],
+    tags = ["automanaged"],
+    deps = [
+        "//cmd/genutils:go_default_library",
+        "//federation/cmd/federation-apiserver/app:go_default_library",
+        "//federation/cmd/federation-controller-manager/app:go_default_library",
+        "//vendor:github.com/spf13/cobra/doc",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/federation/cmd/genfeddocs/gen_fed_docs.go

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+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra/doc"
+	"k8s.io/kubernetes/cmd/genutils"
+	fedapiservapp "k8s.io/kubernetes/federation/cmd/federation-apiserver/app"
+	fedcmapp "k8s.io/kubernetes/federation/cmd/federation-controller-manager/app"
+)
+
+// Note: We have a separate binary for generating federation docs and kube docs because of the way api groups are api.Registry.
+// If we import both kube-apiserver and federation-apiserver in the same binary then api groups from both kube and federation will get registered in both the apiservers
+// and hence will produce incorrect flag values.
+// We can potentially merge cmd/kubegendocs and this when we have fixed that problem.
+func main() {
+	// use os.Args instead of "flags" because "flags" will mess up the man pages!
+	path := ""
+	module := ""
+	if len(os.Args) == 3 {
+		path = os.Args[1]
+		module = os.Args[2]
+	} else {
+		fmt.Fprintf(os.Stderr, "usage: %s [output directory] [module] \n", os.Args[0])
+		os.Exit(1)
+	}
+
+	outDir, err := genutils.OutDir(path)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to get output directory: %v\n", err)
+		os.Exit(1)
+	}
+
+	switch module {
+	case "federation-apiserver":
+		// generate docs for federated-apiserver
+		apiserver := fedapiservapp.NewAPIServerCommand()
+		doc.GenMarkdownTree(apiserver, outDir)
+	case "federation-controller-manager":
+		// generate docs for kube-controller-manager
+		controllermanager := fedcmapp.NewControllerManagerCommand()
+		doc.GenMarkdownTree(controllermanager, outDir)
+	default:
+		fmt.Fprintf(os.Stderr, "Module %s is not supported", module)
+		os.Exit(1)
+	}
+}