Backbone modelを使うときに調べたサイト
http://blog.mitsuruog.info/2012/12/backbonelocalstoragejsbackbonesync.html
http://jsfiddle.net/derickbailey/Cpn3g/4/
http://d.hatena.ne.jp/podhmo/20120213/1329144640
https://github.com/enja-oss/Backbone/blob/master/docs/Model.md#fetch-modelfetchoptions-
http://appkitbox.com/knowledge/javascript/2013/06/04/backbone-2
https://github.com/mawatari/Backbone-ToDos-with-CakePHP-RESTful-API/blob/master/backbone/todos.js
http://shusatoo.net/programming/php/backbone-model-save-postdata-read-php/