#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

news/admin.py

@@ -4,11 +4,23 @@ from news.models import ServerMessage
 
 
 class ServerMessageAdmin(admin.ModelAdmin):
+    readonly_fields = [
+        "modified",
+        "created",
+    ]
     list_display = [
         "id",
         "subject",
         "publish_on",
         "is_active",
     ]
+    search_fields = [
+        "subject"
+    ]
+
+    def save_model(self, request, obj, form, change):
+        obj.save(user=request.user)
+
 
 admin.site.register(ServerMessage, ServerMessageAdmin)
+