#140 Block edit on recorded

* adds new modal form content template recorded_no_edit.html
* adds modal content change, such that no data can be edited on any form as long as the entry is recorded -> instead, users are informed on the form, that the recording state prohibits editing
* adds translations

konova/models/object.py

@@ -337,6 +337,15 @@ class RecordableObjectMixin(models.Model):
         """
         raise NotImplementedError("Implement this in the subclass!")
 
+    @property
+    def is_recorded(self):
+        """ Getter for record status as property
+
+        Returns:
+
+        """
+        return self.recorded is not None
+
 
 class CheckableObjectMixin(models.Model):
     # Checks - Refers to "Genehmigen" but optional