[IMP] website_sale: remember last sale order
[IMP] website_sale: remember last sale order

At next login, user will find again the last cart if always existing.

tvtsoft/odoo8,tvtsoft/odoo8,dfang/odoo,Elico-Corp/odoo_OCB,sysadminmatmoz/OCB,microcom/odoo,stephen144/odoo,ygol/odoo,sysadminmatmoz/OCB,ygol/odoo,laslabs/odoo,bplancher/odoo,sysadminmatmoz/OCB,storm-computers/odoo,microcom/odoo,mkieszek/odoo,syci/OCB,optima-ict/odoo,ygol/odoo,mkieszek/odoo,dfang/odoo,optima-ict/odoo,stephen144/odoo,storm-computers/odoo,dfang/odoo,hip-odoo/odoo,tvtsoft/odoo8,dfang/odoo,microcom/odoo,storm-computers/odoo,syci/OCB,syci/OCB,syci/OCB,optima-ict/odoo,bplancher/odoo,laslabs/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,hip-odoo/odoo,stephen144/odoo,ygol/odoo,ygol/odoo,stephen144/odoo,laslabs/odoo,dfang/odoo,sysadminmatmoz/OCB,ygol/odoo,laslabs/odoo,hip-odoo/odoo,bplancher/odoo,stephen144/odoo,dfang/odoo,Elico-Corp/odoo_OCB,syci/OCB,bplancher/odoo,Elico-Corp/odoo_OCB,hip-odoo/odoo,bplancher/odoo,optima-ict/odoo,microcom/odoo,sysadminmatmoz/OCB,bplancher/odoo,storm-computers/odoo,tvtsoft/odoo8,mkieszek/odoo,Elico-Corp/odoo_OCB,sysadminmatmoz/OCB,sysadminmatmoz/OCB,tvtsoft/odoo8,ygol/odoo,mkieszek/odoo,optima-ict/odoo,hip-odoo/odoo,syci/OCB,laslabs/odoo,mkieszek/odoo,tvtsoft/odoo8,storm-computers/odoo,microcom/odoo,optima-ict/odoo,microcom/odoo,laslabs/odoo,stephen144/odoo,mkieszek/odoo,storm-computers/odoo