SONATA-384 - Improve header login/register and basket

Header has been improved with the mini-basket information on the same line of login/register menu:

![capture decran 2014-01-17 a 16 14 41](https://f.cloud.github.com/assets/103900/1941421/2285f104-7f8a-11e3-945c-38dd3ccb9900.png)