models: `Tsrt::Cassation|Consumption|Grn` remove `dependent: :destroy`
models: `Trst::DeliveryNote|Expenditure|Invoice|Sorting` cleanup, adapt `#increment_name`, `freights_list`
models: `Trst::Payment` rename field `text` -> `expl`
models: `Trst::Stock` skeleton
models: `Trst::FreightStock` new scope `:stock_now`
update CHANGELOG
bump version v0.2.993
Merge branch 'feature/v0.2.993' into develop