[IMP] res_partner: more fault tolerant name_create

In case of invalid format such as 'name email@server' (missing chevrons), the parsing would be failing due to a strict behaviour of getaddresses (returns nameemail@server).
With the patch this format is accepted.
opw 607312
Merge branch '7.0' of https://github.com/odoo/odoo into 7.0-linux64