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/match_test.go

@@ -0,0 +1,56 @@
+// 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 (
+	"strings"
+	"testing"
+
+	"golang.org/x/text/language"
+)
+
+func TestInheritanceMatcher(t *testing.T) {
+	for i, tt := range []struct {
+		haveTags string
+		wantTags string
+		match    string
+		conf     language.Confidence
+	}{
+		{"und,en,en-US", "en-US", "en-US", language.Exact}, // most specific match
+		{"zh-Hant,zh", "zh-TW", "zh-Hant", language.High},  // zh-TW implies Hant.
+		{"und,zh", "zh-TW", "und", language.High},          // zh-TW does not match zh.
+		{"zh", "zh-TW", "und", language.No},                // zh-TW does not match zh.
+		{"iw,en,nl", "he", "he", language.Exact},           // matches after canonicalization
+		{"he,en,nl", "iw", "he", language.Exact},           // matches after canonicalization
+		// Prefer first match over more specific match for various reasons:
+		// a) consistency of user interface is more important than an exact match,
+		// b) _if_ und is specified, it should be considered a correct and useful match,
+		// Note that a call to this Match will almost always be with a single tag.
+		{"und,en,en-US", "he,en-US", "und", language.High},
+	} {
+		have := parseTags(tt.haveTags)
+		m := NewInheritanceMatcher(have)
+		tag, index, conf := m.Match(parseTags(tt.wantTags)...)
+		want := language.Raw.Make(tt.match)
+		if tag != want {
+			t.Errorf("%d:tag: got %q; want %q", i, tag, want)
+		}
+		if conf != language.No {
+			if got, _ := language.All.Canonicalize(have[index]); got != want {
+				t.Errorf("%d:index: got %q; want %q ", i, got, want)
+			}
+		}
+		if conf != tt.conf {
+			t.Errorf("%d:conf: got %v; want %v", i, conf, tt.conf)
+		}
+	}
+}
+
+func parseTags(list string) (out []language.Tag) {
+	for _, s := range strings.Split(list, ",") {
+		out = append(out, language.Raw.Make(strings.TrimSpace(s)))
+	}
+	return out
+}