[IMP] e-commerce onboarding misc improvements [bst]

Task: https://www.odoo.com/web#id=10453&view_type=form&model=project.task&action=327
Pad: https://pad.odoo.com/p/r.eQNwZOFNkcYt31Sw
I try again, runbot branch going red.
![run](https://cloud.githubusercontent.com/assets/7599891/5450544/1dfcc4ba-852d-11e4-8c84-e9c2ccfbb094.png)