WIP - Subpanels

Display sub panels when the user is connected.

Icons have to be updated (I made quick ones with a red indicator to show when it's active)

Related card: https://trello.com/c/bd4ub5bT

![infobulle_001](https://f.cloud.github.com/assets/67073/1972465/0f8a6ed2-8349-11e3-8a98-9acfc3f3abaa.png)
![infobulle_003](https://f.cloud.github.com/assets/67073/1972464/0f86cfde-8349-11e3-9853-01275a6f7bca.png)
![infobulle_004](https://f.cloud.github.com/assets/67073/1972463/0f835fde-8349-11e3-9baf-5f5a25ab22fa.png)
![infobulle_005](https://f.cloud.github.com/assets/67073/1972462/0f813e0c-8349-11e3-8ef8-a4599340bdf5.png)