- Change the fast input to create items to have 3 columns to select variations instead of one multilistfield with all variations mixed.
- Use external validator on editable fields. If title or reference is set on the line, you must fill quantity and all variations

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27257 20353a03-c40f-0410-a6d1-a30d3c3de9de