[IMP]change method on_selected_elements to elements_selected.
[IMP]change method on_selected_elements to elements_selected.

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