Friendlier new conversation mobile

**Don't merge - work in progress**

# Before
![Pantallazo-5](https://f.cloud.github.com/assets/1108789/163495/26a9b200-783f-11e2-9c16-b26223ef84a1.png)

# After

![Pantallazo-4](https://f.cloud.github.com/assets/1108789/163496/339c53fa-783f-11e2-852c-c6d335e65722.png)