[IMP] slightly improve label of advanced search (still not very good)
[IMP] slightly improve label of advanced search (still not very good)

havt/openerp-web,akretion/openerp-web,akretion/openerp-web,havt/openerp-web,havt/openerp-web,havt/openerp-web,akretion/openerp-web,havt/openerp-web