[IMP] web_kanban: use proper inheritance for method _is_action_enabled
[IMP] web_kanban: use proper inheritance for method _is_action_enabled
splbio/openerp-web,MarkusTeufelberger/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web,splbio/openerp-web,gisce/openerp-web,MarkusTeufelberger/openerp-web,gisce/openerp-web,gisce/openerp-web