Add FeedIcon API call and update dependencies

vendor/golang.org/x/text/cmd/gotext/doc.go

@@ -1,9 +1,4 @@
-// Copyright 2016 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.
-
-// DO NOT EDIT THIS FILE. GENERATED BY go generate.
-// Edit the documentation in other files and rerun go generate to generate this one.
+// Code generated by go generate. DO NOT EDIT.
 
 // gotext is a tool for managing text in Go source code.
 //
@@ -13,7 +8,9 @@
 //
 // The commands are:
 //
-// 	extract     extract strings to be translated from code
+// 	extract     extracts strings to be translated from code
+// 	rewrite     rewrites fmt functions to use a message Printer
+// 	generate    generates code to insert translated messages
 //
 // Use "go help [command]" for more information about a command.
 //
@@ -23,7 +20,7 @@
 // Use "gotext help [topic]" for more information about that topic.
 //
 //
-// Extract strings to be translated from code
+// Extracts strings to be translated from code
 //
 // Usage:
 //
@@ -32,4 +29,25 @@
 //
 //
 //
+// Rewrites fmt functions to use a message Printer
+//
+// Usage:
+//
+// 	go rewrite <package>
+//
+// rewrite is typically done once for a project. It rewrites all usages of
+// fmt to use x/text's message package whenever a message.Printer is in scope.
+// It rewrites Print and Println calls with constant strings to the equivalent
+// using Printf to allow translators to reorder arguments.
+//
+//
+// Generates code to insert translated messages
+//
+// Usage:
+//
+// 	go generate <package>
+//
+//
+//
+//
 package main