models: `Wstm::Freight` rewrite `#options_for_dln` fix #32
models: `Wstm::FreightOut` dynamic fileds issue see #28
assets: js, `Wstm.desk.delivery_note` cleanup & #31
i18n `Wstm::DeliveryNote` related
views: `Wstm::DeliveryNote` CRUD #30
update CHANGELOG
bump version v0.3.1.5
Merge branch 'feature/v0.3.1.5' into develop