asyncモジュールの以下のメソッドについて使う機会が多かったので、参考記事まとめ
series
parallel
waterfall
http://qiita.com/ishisak@github/items/cee2811a5a131d4ef946
http://d.hatena.ne.jp/sheile/20111216/1324045972
http://kiri-no-shima.blogspot.jp/2013/07/nodeasyncjs_8.html
