[IMP] use Class builtin mixin support
[IMP] use Class builtin mixin support
splbio/openerp-web,splbio/openerp-web,gisce/openerp-web,MarkusTeufelberger/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web,gisce/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web