New cards

- New card design
- Flexible by default
- Far more simple than existing cards
- New styles are hidden behind a feature flag

![screen shot 2014-08-13 at 15 15 29](https://cloud.githubusercontent.com/assets/271645/3906592/7ba864de-22f4-11e4-8bd1-985d1426a32d.png)
![screen shot 2014-08-13 at 15 15 45](https://cloud.githubusercontent.com/assets/271645/3906590/7ba60f18-22f4-11e4-81b8-075420a861d1.png)
![screen shot 2014-08-13 at 15 15 57](https://cloud.githubusercontent.com/assets/271645/3906591/7ba81ad8-22f4-11e4-908b-127403571467.png)
![screen shot 2014-08-13 at 15 16 09](https://cloud.githubusercontent.com/assets/271645/3906593/7ba91154-22f4-11e4-87bc-83a3b0dd4d41.png)
![screen shot 2014-08-13 at 15 16 20](https://cloud.githubusercontent.com/assets/271645/3906594/7baa4ea2-22f4-11e4-9e51-a829c0454bf0.png)
![screen shot 2014-08-13 at 15 16 28](https://cloud.githubusercontent.com/assets/271645/3906595/7bb8fab0-22f4-11e4-8799-5a9bcafec2c0.png)


To see the cards checkout this branch and flip the `cards_version` setting in the application config to `v2`.
Card--guide feels like the odd one out in this PR. Elsewhere you haven't needed to define them as types, with shop obviously you need to add the shadow and stuff but how is this figure different to the other cards?