Restorer UI + (updated pandomain)

1. **Find the snapshots of a piece of content:**
![screen shot 2014-12-05 at 15 47 17](https://cloud.githubusercontent.com/assets/1936213/5318221/0716a562-7c96-11e4-99ac-d0bf26b65aa0.png)
2. **See available snapshots:**
![screen shot 2014-12-05 at 15 43 46](https://cloud.githubusercontent.com/assets/1936213/5318167/96eb62a0-7c95-11e4-82f3-f4dfa1369e51.png)
3. **Restore a snapshot:**
![screen shot 2014-12-05 at 15 44 03](https://cloud.githubusercontent.com/assets/1936213/5318166/96e87388-7c95-11e4-916b-890d720e5a40.png)

Not sure you need to bother with vendor prefixes. Given that this is a bespoke tool, we can just tell people they need to use a specific browser version.