[IMP] Manufacturing : Improved some usability issues.

Task : https://www.odoo.com/web#id=10541&view_type=form&model=project.task&menu_id=3942&action=327
pad link : https://pad.odoo.com/p/r.fZCshEnjNImVXxFn
generic alignment problem of checkbox and radio. 
![product](https://cloud.githubusercontent.com/assets/7599774/5389338/d4e5dbaa-8120-11e4-989d-769441d35e61.png)
![warehouses](https://cloud.githubusercontent.com/assets/7599774/5389337/d4e35eca-8120-11e4-86c6-80e1a9544b26.png)