update module name
convert onchange pricelist to context_tunnel
convert partner onchange to web_context_tunnel
convert product onchange to web_context_tunnel
add domain and search_default to supplier

Now the supplier_id of the agreement should work the same way as
partner_id in the purchase order from the core purchase module.
adapt tests to web_context_tunnel
new addon purchase_requisition_auto_rfq

This addon adds a button to generate RFQ for the purchase requisition
using the product.supplierinfo in order to only have the lines corresponding to
the products sold by each supplier.
Merge remote-tracking branch 'nbessi/port_framework_agreement' into 8.0-test_PRs
Merge branch '8.0-purchase_requisition_auto_rfq' into 8.0-test_PRs