* adds error message on intervention view if a payment has been added but no document has been uploaded yet
* adds same check to quality checker, meaning no intervention can be recorded which has a payment but no document
* adds trigger for sending data to egon on uploading a document in case of an already existing payment
* adds translations
* splits compensation/views/eco_account.py (+700 lines) into separate files in new module
* view files can now be found in /compensation/views/eco_account/...
* splits konova/views.py into separate files in new module
* view files can now be found in /konova/views/...
* introduces first class based view AbstractLogView
* implemented for Ema, Intervention, Compensation and EcoAccount