* Fix for build line table
- Prefill source location correctly
* Refactor API filtering for BomList
- Make use of RestFilter class
* Add "external stock" field to BomItem serializer
* Simplify custom filtering
* Add "structural" column to part table
* Update BOM tables:
- Display indication of "external stock"
* Annotate "external_stock" to part serializer
- Update PartTable [PUI]
* Annotate BuildLine serializer too
* BuildLine endpoint - filter available stock based on source build order
- If build order is specified, and has a source location, use that to filter available stock!
* Add message above build line table
* Update BuildLineTable
* Bump API version
37c1fe1ccb