modules: `Trst::Bank` skeleton, use as embedded
modules: `Trst::Unit` skeleton, use as embedded
models: `Trst::PartnerFirm` skeleton, overwrite in modules
models: `Trst::PartnerPerson` skeleton, overwrite in modules
config: `seed/tasks.yml` add tasks
lib: helpers, cleanup, new helpers
models: `Trst::Firm` fix #9
models: `TrstFreight|In|Out|Stock` cleanup, skeleton
models: `Trst::PartnerFirm|Person` cleanup, skeleton
Rakefile update, handle newly created tasks
update CHANGELOG
bump version v0.2.990
Merge branch 'feature/v0.2.990' into develop