* keeps responsible data in compensation model for potential future purposes
* refactors registration_office and conservation_office to map onto KonovaCodes instead of own Organization model
* adds str_as_office property-method to KonovaCode to provide an easy way of rendering template data
* adds missing highlighting in case of missing information about registration office and conservation office
* adds payment-comment relation in NewPaymentForm
* drops transfer note form field (may not be used anyway) and replace it with comment
* adds/updates translations
* fixes created timestamp in detail views where modified needs to be displayed
* adds fallback timestamp if data has not been edited, yet --> show created timestamp
* fixes bug where deleting of certain data didn't redirect to the index view
* adds quality_check() method for EMA, needed for recording
* adds all functions which are provided for compensations to EMA
* adds/updates translations