Update dependencies

Among others, this updates minio-go, so that the new "eu-west-3" zone
for AWS is supported.

vendor/golang.org/x/text/internal/gen_test.go

@@ -0,0 +1,38 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package internal
+
+import (
+	"testing"
+
+	"golang.org/x/text/language"
+)
+
+func TestParents(t *testing.T) {
+	testCases := []struct {
+		tag, parent string
+	}{
+		{"af", "und"},
+		{"en", "und"},
+		{"en-001", "en"},
+		{"en-AU", "en-001"},
+		{"en-US", "en"},
+		{"en-US-u-va-posix", "en-US"},
+		{"ca-ES-valencia", "ca-ES"},
+	}
+	for _, tc := range testCases {
+		tag, ok := language.CompactIndex(language.MustParse(tc.tag))
+		if !ok {
+			t.Fatalf("Could not get index of flag %s", tc.tag)
+		}
+		want, ok := language.CompactIndex(language.MustParse(tc.parent))
+		if !ok {
+			t.Fatalf("Could not get index of parent %s of tag %s", tc.parent, tc.tag)
+		}
+		if got := int(Parent[tag]); got != want {
+			t.Errorf("Parent[%s] = %d; want %d (%s)", tc.tag, got, want, tc.parent)
+		}
+	}
+}