Support ci-testling

This pull-requests aim to perform more tests on many browsers.

This contain basic integration into [https://ci.testling.com/](https://ci.testling.com/ "").

If you merge this pull-request, then you have to take one more step...

1. See [quick start](https://ci.testling.com/guide/quick_start "quick start") and [here](http://yosuke-furukawa.hatenablog.com/entry/2014/03/08/115537 "testling-ciとtravis-ciでクライアントサイドもサーバサイドもテストを実行する - from scratch").
2. Configuring the web hook ( `https://ci.testling.com` )
![webhook - http git testling com 2014-06-03 21-46-03 2014-06-03 21-46-21](https://cloud.githubusercontent.com/assets/19714/3160318/de1dfa42-eb1e-11e3-8e58-a08b095c222d.png)
3. Test Deliver.(push or Redeliver)
![git testling com 2014-06-03 22-01-20 2014-06-03 22-01-42](https://cloud.githubusercontent.com/assets/19714/3160342/36657f18-eb1f-11e3-98df-58e6c1291fa9.png)

Result here: 
[![browser support](https://ci.testling.com/twada/type-name.png)](https://ci.testling.com/twada/type-name)

Thanks.