移动端适配

http://div.io/topic/1092

http://www.jianshu.com/p/3a5063028706

https://github.com/riskers/blog/issues/17

https://github.com/riskers/blog/issues/18

https://github.com/amfe/article/issues/17

http://html-js.com/article/MobileWeb

http://www.html-js.com/article/2402