Use extended article name in add article popup

The article name used inside the shopping basket is composed as articlename + additionaltext, where the additionaltext covers information about the variant-options. This name should also be used inside the add article popup.

![before](https://f.cloud.github.com/assets/833300/1297490/5e2c1198-30e3-11e3-936c-bb97979e51cb.png)

![after](https://f.cloud.github.com/assets/833300/1297491/637b91fa-30e3-11e3-8f6d-926c99c5d32c.png)