resttemplate使うとき参考になった
http://dev.classmethod.jp/smartphone/android/android-tips-44-spring-for-android-rest/
http://blog.trifork.com/2011/01/27/using-the-spring-resttemplate-with-jackson/
http://docs.spring.io/spring-android/docs/current/reference/html/rest-template.html
http://d.hatena.ne.jp/xyk/20111223/1324653060
http://d.hatena.ne.jp/ryoasai/20110508/1304873557
http://stackoverflow.com/questions/8921089/jackson-converting-json-property-to-nested-object-with-dot-notation
http://qiita.com/opengl-8080/items/b613b9b3bc5d796c840c
http://stackoverflow.com/questions/22321155/jackson-generics-with-variable-jsonproperty-usage-with-generics
https://gist.github.com/wtokuno/1996260
http://qiita.com/komiya_atsushi/items/c978e85c2065f57cea38