* 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
* fixes bug where deduction of a recorded intervention could be deleted from the eco account detail view
* improves check_for_recorded_instance() logic
* improves rendering of detail view on compensation-like objects to highlight missing data
* refactors konova/autocompletes.py by splitting into individual files and moving them to fitting apps
* autocomplete files now live in APPNAME/autocomplete/...
* refactors intervention/forms and ../modalForms into individual files in separated packages
* forms.py has been renamed into intervention.py, now can be found as intervention/forms/intervention.py
* modalForms.py has been split into individual files living in modals package, can be found as intervention/forms/modals/...
* adds needed migrations
* refactors forms.py (700+ lines) in main konova app
* splits into forms/ and forms/modals and single class/topic-files for better maintainability and overview
* fixes bug in main konova app migration which could occur if a certain compensation migration did not run before
* adds mail sending logic for new notification setting
* adds new templates for user and team based sending
* enhances all email template layout
* adds translations
* fixes InterventionAutocomplete bug, where team-shared entries would not pop up as valid option
* fixes bug where form opening for new compensation without direct intervention link resulted in 404
* adds intervention-recorded check on deduction forms: Form is invalid if intervention is currently recorded and therefore blocked for any editing
* extends basic check_for_recorded_instance() method to let some forms pass, e.g. deduction related forms on ecoaccounts which only have a reason to be rendered IF the entry is recorded
* adds/updates translations
* adds tests for team sharing
* extends the API for team sharing support
* adds shared_teams property shortcut for ShareableObjectMixin
* adds full support for team-based sharing to all views and functions
* simplifies ShareModalForm
* adds/updates translations
* adds team sharing field to share form
* splits sharing logic into user based and teams based
* adds TeamAdmin for admin backend
* adds validity check on Team name -> only unused names shall be valid
* adds support for payment adding/deleting to intervention log
* adds support for deduction adding/deleting to intervention/ecoaccount log
* improves code snippets
* drops add_deduction() methods for ecoaccount and intervention in favor of simpler creation in NewDeductionModalForm
* adds messages
* adds/updates translations
* changes the autocomplete route for user retrieving from _istartswith to full qualified check
* extends the help text for form to inform about full qualified username needed
* updates translation
* moves updating of shared access users into ShareableObjectMixin
* renames ShareInterventionModalForm to ShareModalForm since it's used for EMA and eco accounts as well
* 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
*
* fixes bug where compensations still appeared on the public report despite being marked as deleted
* fixes bug where eco account could be deducted into a negative account balance
