[IMP][account_currency_tools] backport from v8 and adapt to work

[IMP][account_currency_tools]get account from aml with parent_left and adapt method to create journal entry

[IMP][afr_webkit]the balance initial must be change with change signal

found on their own project at https://github.com/Vauxoo/odoo-ifrs

[ADD][facturae_double_validation] Add double invoice validation in facturae TASK#3466

Moisés López - https://www.vauxoo.com/ authored Jul 09, 2015 and Hugo Adan [Vauxoo] committed Jul 10, 2015

[ADD][facturae_double_validation] Add double invoice validation in facturae TASK#3466

[IMP][account_voucher_tax] When invoice has taxes 0% the rouding amount should be 0.0

[IMP][account_voucher_tax] when invoice has taxes 0% the rouding amount should be 0.0 and was getting null value

7.0 debit credit note fixes hbto

7.0 debit credit note fixes hbto

Added Spanish translation for 7.0 branch.

[FIX][account_invoice_number] Fix view, because not showed the internal number.

7.0 pylint fixes hbto

[W0622(redefined-builtin), stock_picking.copy] Redefining built-in 'id'
[W0612(unused-variable), stock_picking.copy] Unused variable 'picking_brw'
[W0622(redefined-builtin), stock_picking_in.copy] Redefining built-in 'id'
[W0612(unused-variable), stock_picking_in.copy] Unused variable 'picking_brw'
[W0622(redefined-builtin), stock_picking_out.copy] Redefining built-in 'id'
[W0612(unused-variable), stock_picking_out.copy] Unused variable 'picking_brw'

[FIX] Moving comment field in front of partner_id field

[ADD] Added module invoice_comment_view_tree

[UPD] Add french translation

7.0 timesheets reports