[FIX] correct domain for autocomplete in many2one

The domain was using '=', which is correct when selecting a specific
element in autocompletion, but not when searching for all elements
matching a string.
[FIX] missing row CSS
Merge branch '8.0' of github.com:odoo/odoo into 8.0
Merge branch '8.0' of https://github.com/odoo/odoo into 8.0-linux64