[iOS] use "touchstart" to replace "click" in UIWebView

if your web view load some html with jQuery,
please use "touchstart" not to use "click" event.

http://www.zhihu.com/question/20702822

[iOS]dijkstra in iOS

I use this algorithm to analyze Taipei MRT system.
https://github.com/dmitrikozlov/mj-dijkstra

And combine with a csv to NSDictionary code.