Gallery lightbox


![image](https://cloud.githubusercontent.com/assets/960919/4253675/44c1c278-3aa3-11e4-897c-001e790bd98e.png)


finally
![image](http://media.giphy.com/media/UdqUo8xvEcvgA/giphy.gif)
we got some implicits to make parameters a (little bit) prettier https://github.com/guardian/frontend/blob/master/common/app/implicits/Requests.scala#L12