* adds template message to indicate a finished-deadline is mandatory
* adds finished deadline existance to quality check of compensation-like entries
* adds proper warning to quality check result
* extends tests
* 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
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* adds quality check logic for EcoAccount with EcoAccountQualityChecker
* adds/updates translations
* adds quality check logic for EMA with EmaQualityChecker
mpeltriaux