[IMP]Rename stock_complex_route to stock_dropshipping. Added option for stock_dropshipping on warehouse configuration as well as purchase configuration
[IMP]Changed option string to 'Manage dropshipping' instead 'Manage dropship route'
[MERGE]Merge with Trunk
[REF] stock: put some order in inventory psql reports (on quants) in labels, files and code
[MERGE] stock_dropshipping