[FIX] purchase: keep reference to purchase order line

When generating an invoice from a stock.picking, the reference to the purchase.order.line needs to be kept (e.g. this is needed by anglo-saxon for price valuation). (opw 600767)
[MERGE] Forward-port saas-5 up to f9bcd67
[IMP] Brought back /website/image route w/filename hinted in headers

Also added support for this route in widget Image#from_html()
[WIP] point_of_sale: qweb template for partner edition
[IMP] point_of_sale: partner edition ! -> create partners, edit partners, assign them barcodes, take pictures, etc.
[IMP] point_of_sale: opening the cashbox only if paying with cash was problematic as you sometimes need to use the cashbox with bank payment methods such as ticket meals
[FIX] account_anglo_saxon: correctly set the accounts for returns

The generated moves on a return should be the reverse of the outgoing move.
Fixes #1817, opw 604417
[FIX] account: bank statement reconciliation: when creating a new move line to reconcile an existing one, use the existing move line's partner or, if there's none, the statement line's partner
Merge pull request #2352 from odoo-dev/8.0-imp-bank-statement-reconciliation-widget-ama

fixes and improvements in the new bank statement reconciliation widget.
[FIX] Image resizing bug
[IMP] Do the landed costs out of the quants already out of stock
[IMP] Check sum + out should take quantities from stock move
Merge pull request #2460 from odoo-dev/8.0-wmslandedextraout-jco

8.0 wmslandedextraout jco
[FIX] mail: chatter read more/less expand first oe_msg_body_long/short in the first oe_msg_body

Otherwise, if the mail itself contains a oe_msg_body_long (because sent in the mail history), it will open that one
[FIX] stock/purchase: dates and currency rates

Use the currency rate of the purchase date instead of the one of at the reception time (opw 610430)
[FIX] hr_timesheet_sheet: avoid error when sort attendances

When an attendance line is edited, the tuple has no key 'name' which lead to a traceback.
Fixes #546
[FIX]stock_landed_costs: Fixed wrong costs on landed costs with many products
[FIX] Theoretical quantity for created inventory adjustment should take into account location in context of stock
[IMP] Scheduled time, weights, remove routing on lines
[IMP] Purchase order wkf optim