[FIX]Readonly char fields should be grey.
[FIX]Readonly char fields should be grey.

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