[MERGE] merged latest improvements from R&D warehouse branch

addons/account/test/account_validate_account_move.yml

addons/delivery/test/delivery_report.yml

addons/delivery/test/delivery_test.yml

addons/procurement/procurement_view.xml

addons/product/product.py

addons/stock/stock.py

addons/stock/stock_demo.xml

addons/stock/stock_view.xml

...ns/stock_invoice_directly/test/stock_invoice_directly.yml

addons/stock_location/__init__.py

addons/stock_location/__openerp__.py

addons/stock_location/procurement_pull.py

addons/stock_location/procurement_pull_workflow.xml