* renames model ResponsibilityData into Responsibility * renames model LegalData into Legal * moves form->object saving logic into model * refactors NewDocumentForm into special types for intervention, compensation, eco account and ema *
* refactors sharing user setting by introducing share_with(user) and share_with_list(user_list) for BaseObject for a more self-explanatory sharing
* adds EMA test
* adds EMA tests * extends compensation tests * fixes bugs detected by testing * restructured tests for performance boost
