[IMP] purchase: misc usability improvements
- RFQ wording imp
- products tree view in purchase form view: set account_analytic_id
for group_analytic_accounting only + add a context for the partner
- purchase: res_config: wording imp + config view imp
[IMP] web: order fields in export wizard

(Closes #1645)
Hide the Edit bar with mobile.
[imp]:improve account screen

[IMP]:improve configure accounting data screen

[IMP]:improve set your accounting options screen

[IMP]:add the product management in accounting

[imp]:hide the currency_id field

[IMP]:Hide company if already configer the compnay

[rem]:remove unused changes

[rem]:remove unused changes

[rem]:remove unused changes