#99 Admin backend cleanup

* 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

intervention/models/intervention.py

@@ -51,7 +51,7 @@ class Intervention(BaseObject, ShareableObjectMixin, RecordableObjectMixin, Chec
     objects = InterventionManager()
 
     def __str__(self):
-        return "{} ({})".format(self.identifier, self.title)
+        return f"{self.identifier} ({self.title})"
 
     def save(self, *args, **kwargs):
         """ Custom save functionality