[IMP] enabled sorting in o2m in list view
[IMP] enabled sorting in o2m in list view

MarkusTeufelberger/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web,splbio/openerp-web,splbio/openerp-web,MarkusTeufelberger/openerp-web