[milo] mv backend/git/gitiles -> common/gitiles

milo/appengine/common/gitiles/gitiles.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
-package git
+package gitiles
 
 import (
         "encoding/json"
         "fmt"
         "net/http"
         "net/url"
         "strings"
 
         "github.com/luci/luci-go/milo/api/resp"
         "github.com/luci/luci-go/server/auth"
@@ skipping 99 matching lines @@
                         Repo:        repoURL,
                         Revision:    resp.NewLink(log.Commit, repoURL+"/+/"+log.Commit),
                         Description: log.Message,
                         Title:       strings.SplitN(log.Message, "\n", 2)[0],
                         // TODO(hinoka): Fill in the rest of resp.Commit and add those details
                         // in the html.
                 }
         }
         return result, nil
 }