Feature/desktop codeboxio remote

These modification improve the desktop manager and add the list of boxes from codebox.io

![screen shot 2014-01-30 at 19 26 12](https://f.cloud.github.com/assets/845425/2043259/599ab97a-89dc-11e3-86dd-dfd4f8678ed5.png)
![screen shot 2014-01-30 at 19 27 40](https://f.cloud.github.com/assets/845425/2043260/59b6582e-89dc-11e3-9888-26bf9ad29b77.png)