vendor: update all dependencies except Azure SDK

The Azure SDK doesn't support Go 1.5 anymore. We can't upgrade it until
Go 1.8 comes out.

vendor/golang.org/x/text/internal/gen/code.go

@@ -117,13 +117,7 @@ func (w *CodeWriter) WriteConst(name string, x interface{}) {
 
 	switch v.Type().Kind() {
 	case reflect.String:
-		// See golang.org/issue/13145.
-		const arbitraryCutoff = 16
-		if v.Len() > arbitraryCutoff {
-			w.printf("var %s %s = ", name, typeName(x))
-		} else {
-			w.printf("const %s %s = ", name, typeName(x))
-		}
+		w.printf("const %s %s = ", name, typeName(x))
 		w.WriteString(v.String())
 		w.printf("\n")
 	default:
@@ -203,16 +197,27 @@ func (w *CodeWriter) WriteString(s string) {
 	// When starting on its own line, go fmt indents line 2+ an extra level.
 	n, max := maxWidth, maxWidth-4
 
+	// As per https://golang.org/issue/18078, the compiler has trouble
+	// compiling the concatenation of many strings, s0 + s1 + s2 + ... + sN,
+	// for large N. We insert redundant, explicit parentheses to work around
+	// that, lowering the N at any given step: (s0 + s1 + ... + s63) + (s64 +
+	// ... + s127) + etc + (etc + ... + sN).
+	explicitParens, extraComment := len(s) > 128*1024, ""
+	if explicitParens {
+		w.printf(`(`)
+		extraComment = "; the redundant, explicit parens are for https://golang.org/issue/18078"
+	}
+
 	// Print "" +\n, if a string does not start on its own line.
 	b := w.buf.Bytes()
 	if p := len(bytes.TrimRight(b, " \t")); p > 0 && b[p-1] != '\n' {
-		w.printf("\"\" + // Size: %d bytes\n", len(s))
+		w.printf("\"\" + // Size: %d bytes%s\n", len(s), extraComment)
 		n, max = maxWidth, maxWidth
 	}
 
 	w.printf(`"`)
 
-	for sz, p := 0, 0; p < len(s); {
+	for sz, p, nLines := 0, 0, 0; p < len(s); {
 		var r rune
 		r, sz = utf8.DecodeRuneInString(s[p:])
 		out := s[p : p+sz]
@@ -229,6 +234,10 @@ func (w *CodeWriter) WriteString(s string) {
 			chars = len(out)
 		}
 		if n -= chars; n < 0 {
+			nLines++
+			if explicitParens && nLines&63 == 63 {
+				w.printf("\") + (\"")
+			}
 			w.printf("\" +\n\"")
 			n = max - len(out)
 		}
@@ -236,6 +245,9 @@ func (w *CodeWriter) WriteString(s string) {
 		p += sz
 	}
 	w.printf(`"`)
+	if explicitParens {
+		w.printf(`)`)
+	}
 }
 
 // WriteSlice writes a slice value.

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

@@ -125,7 +125,7 @@ const langPrivateEnd = 0x316e
 //       the second and third letter of the 3-letter ISO code.
 //     - otherwise: a 0 and a by 2 bits right-shifted index into altLangISO3.
 // For 3-byte language identifiers the 4th byte is 0.
-var lang tag.Index = "" + // Size: 5280 bytes
+const lang tag.Index = "" + // Size: 5280 bytes
 	"---\x00aaaraai\x00aak\x00aau\x00abbkabi\x00abr\x00abt\x00aby\x00acd\x00a" +
 	"ce\x00ach\x00ada\x00ade\x00adj\x00ady\x00adz\x00aeveaeb\x00aey\x00affrag" +
 	"c\x00agd\x00agg\x00agm\x00ago\x00agq\x00aha\x00ahl\x00aho\x00ajg\x00akka" +
@@ -572,7 +572,7 @@ var langNoIndex = [2197]uint8{
 // altLangISO3 holds an alphabetically sorted list of 3-letter language code alternatives
 // to 2-letter language codes that cannot be derived using the method described above.
 // Each 3-letter code is followed by its 1-byte langID.
-var altLangISO3 tag.Index = "---\x00cor\x00hbs\x01heb\x02kin\x03spa\x04yid\x05\xff\xff\xff\xff"
+const altLangISO3 tag.Index = "---\x00cor\x00hbs\x01heb\x02kin\x03spa\x04yid\x05\xff\xff\xff\xff"
 
 // altLangIndex is used to convert indexes in altLangISO3 to langIDs.
 // Size: 12 bytes, 6 elements
@@ -779,7 +779,7 @@ const (
 
 // script is an alphabetically sorted list of ISO 15924 codes. The index
 // of the script in the string, divided by 4, is the internal scriptID.
-var script tag.Index = "" + // Size: 928 bytes
+const script tag.Index = "" + // Size: 928 bytes
 	"----AdlmAfakAghbAhomArabAranArmiArmnAvstBaliBamuBassBatkBengBhksBlisBopo" +
 	"BrahBraiBugiBuhdCakmCansCariChamCherCirtCoptCprtCyrlCyrsDevaDsrtDuplEgyd" +
 	"EgyhEgypElbaEthiGeokGeorGlagGothGranGrekGujrGuruHanbHangHaniHanoHansHant" +
@@ -1070,7 +1070,7 @@ var regionTypes = [357]uint8{
 //     - [A-Z}{2}: the first letter of the 2-letter code plus these two
 //                 letters form the 3-letter ISO code.
 //     - 0, n:     index into altRegionISO3.
-var regionISO tag.Index = "" + // Size: 1308 bytes
+const regionISO tag.Index = "" + // Size: 1308 bytes
 	"AAAAACSCADNDAEREAFFGAGTGAIIAALLBAMRMANNTAOGOAQTAARRGASSMATUTAUUSAWBWAXLA" +
 	"AZZEBAIHBBRBBDGDBEELBFFABGGRBHHRBIDIBJENBLLMBMMUBNRNBOOLBQESBRRABSHSBTTN" +
 	"BUURBVVTBWWABYLRBZLZCAANCCCKCDODCFAFCGOGCHHECIIVCKOKCLHLCMMRCNHNCOOLCPPT" +
@@ -1094,7 +1094,7 @@ var regionISO tag.Index = "" + // Size: 1308 bytes
 
 // altRegionISO3 holds a list of 3-letter region codes that cannot be
 // mapped to 2-letter codes using the default algorithm. This is a short list.
-var altRegionISO3 string = "SCGQUUSGSCOMPRKCYMSPMSRBATFMYTATN"
+const altRegionISO3 string = "SCGQUUSGSCOMPRKCYMSPMSRBATFMYTATN"
 
 // altRegionIDs holds a list of regionIDs the positions of which match those
 // of the 3-letter ISO codes in altRegionISO3.