Update dependencies (#32)

vendor/github.com/sergi/go-diff/diffmatchpatch/benchutil_test.go

@@ -0,0 +1,28 @@
+// Copyright (c) 2012-2016 The go-diff authors. All rights reserved.
+// https://github.com/sergi/go-diff
+// See the included LICENSE file for license details.
+//
+// go-diff is a Go implementation of Google's Diff, Match, and Patch library
+// Original library is Copyright (c) 2006 Google Inc.
+// http://code.google.com/p/google-diff-match-patch/
+
+package diffmatchpatch
+
+import (
+	"io/ioutil"
+)
+
+const testdataPath = "../testdata/"
+
+func speedtestTexts() (s1 string, s2 string) {
+	d1, err := ioutil.ReadFile(testdataPath + "speedtest1.txt")
+	if err != nil {
+		panic(err)
+	}
+	d2, err := ioutil.ReadFile(testdataPath + "speedtest2.txt")
+	if err != nil {
+		panic(err)
+	}
+
+	return string(d1), string(d2)
+}