Add FeedIcon API call and update dependencies

vendor/golang.org/x/text/unicode/norm/maketables.go

@@ -795,7 +795,7 @@ func makeTables() {
 	}
 
 	fmt.Fprintf(w, "// Total size of tables: %dKB (%d bytes)\n", (size+512)/1024, size)
-	gen.WriteGoFile("tables.go", "norm", w.Bytes())
+	gen.WriteVersionedGoFile("tables.go", "norm", w.Bytes())
 }
 
 func printChars() {
@@ -972,5 +972,5 @@ func printTestdata() {
 		}
 	}
 	fmt.Fprintln(w, "}")
-	gen.WriteGoFile("data_test.go", "norm", w.Bytes())
+	gen.WriteVersionedGoFile("data_test.go", "norm", w.Bytes())
 }

vendor/golang.org/x/text/unicode/norm/normalize_test.go

@@ -720,7 +720,7 @@ var appendTestsNFC = []AppendTest{
 }
 
 var appendTestsNFD = []AppendTest{
-// TODO: Move some of the tests here.
+	// TODO: Move some of the tests here.
 }
 
 var appendTestsNFKC = []AppendTest{

vendor/golang.org/x/text/unicode/norm/tables10.0.0.go

@@ -1,5 +1,7 @@
 // Code generated by running "go generate" in golang.org/x/text. DO NOT EDIT.
 
+// +build go1.10
+
 package norm
 
 const (