[Ready to review] Fix "more picture" indication (+n) on mobile by adding a link on the indication

![1](https://f.cloud.github.com/assets/930064/1556042/8f2d3a0c-4ea6-11e3-867c-6692477540da.png)

This +1 block was the only part of the picture which was not clickable, the opposite of the expected behavior...