Add 'user friendly' datastore API.

service/datastore/key.go

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // adapted from github.com/golang/appengine/datastore
 
-package rawdatastore
+package datastore
 
 import (
         "bytes"
         "encoding/base64"
         "errors"
         "strconv"
         "strings"
 
-        pb "github.com/luci/gae/service/rawdatastore/internal/protos/datastore"
+        pb "github.com/luci/gae/service/datastore/internal/protos/datastore"
 
         "github.com/golang/protobuf/proto"
 )
 
 // KeyEncode encodes the provided key as a base64-encoded protobuf.
 //
 // This encoding is compatible with the SDK-provided encoding and is agnostic
 // to the underlying implementation of the Key.
 func KeyEncode(k Key) string {
         n := 0
@@ skipping 196 matching lines @@
         for i := k; i != nil; i = i.Parent() {
                 n--
                 toks[n].IntID = i.IntID()
                 toks[n].StringID = i.StringID()
                 toks[n].Kind = i.Kind()
         }
         appID = k.AppID()
         namespace = k.Namespace()
         return
 }