[FIX] AppendTo use Widget element, not Widget.
[FIX] AppendTo use Widget element, not Widget.

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