Ajout début de design

![capture du 2014-02-08 11 28 28](https://f.cloud.github.com/assets/320372/2116971/105a3f98-90ac-11e3-907a-199a9f35be03.png)

![capture du 2014-02-08 11 28 42](https://f.cloud.github.com/assets/320372/2116972/107552ba-90ac-11e3-8517-e5815d6a48c5.png)

![capture du 2014-02-08 11 29 12](https://f.cloud.github.com/assets/320372/2116973/108effb2-90ac-11e3-9090-28f78733f5e8.png)