* Improve error management for order price calculation
- If there are missing exchange rates, it throws an error
- Very much an edge case
* Style fixes
* Add warning message if total order price cannot be calculated
* price -> cost
* Enable 'tree view' for build order table
* Ensure we pass locale code to the build table
* Adjust button class based on current context
* Fix display of 'child builds' table on build page
* Force a rebuild of the entire table when the filters are refreshed
* Refactor PurchaseOrder table also
* Refactor existing SalesOrder table also
* JS linting
* Refactor 'DeleteManufacturerPart' form
- Remove duplicated forms
- Update style to match other forms
- Block on each deletion before progressing to the next one
* PEP fix
* Adds deleteSupplierParts function
* Refactor all instances of supplier part deletion
* Refactor tractor : use convenience function for bootstraptable.getSelections
* Add deleter for manufacturerpartparameter.
Refactor existing code into a single function
* Refactor deletion for stock items
* JS linting
* Adds two new fields to SalesOrderShipment model:
- Invoice number (char)
- Link (URL)
* Bump API version
* Update API / serializer / JS
- Allow entry of new fields at time of shipping
* PEP fixes
* Actually fix the PEP issues
* Unit testing: check some more fields
* Allow user to select shipment date when shipping a salesorder
- Defaults to 'today'
* Retain the tracking number information through the from
* JS linting
* Add unit testing for the SalesOrderShipmentComplete serializer / API endpoint
* Added order reference to line item options
* Basic working version implemented
* Re-execute fields function in secondary modals
* Added missing argument and parameter
* Added missing parentheses
* Fixed hidden field name for depth > 0
