* removes admin backend views which are not important for production
* adds filtering functionalities on index views
* simplifies detail views on intervention, compensation, ecoaccount and ema
* adds autocomplete fields on detail views
* adds handy horizontal filter fields on detail views
* adds new app to project
* adds relation between User model and new APIUserToken model
* adds first implementation for GET of intervention
* adds basic code layout for future extension by having new versions
* adds mail sending if shared data is deleted
* adds/updates translations
* refactors recording mails into separate email template folder email/recording
* moves mail sending to celery worker using shared_task in konova/tasks.py
* adds mail sending for shared access given
* adds UserNotification settings checks for mail sending
* adds/updates translations
