All files for deployment ready and tested - further development in this repo.

referenzen/admin.py

@@ -0,0 +1,16 @@
+from django.contrib import admin
+from nested_admin import NestedStackedInline, NestedModelAdmin, NestedTabularInline
+from .models import *
+
+# Register your models here.
+class ReferenzerklaerungInline(NestedStackedInline):
+    model=Referenzerklaerung
+    extra=0
+    sortable_field_name="order"
+    show_change_link = True
+
+@admin.register(Referenz)
+class ReferenzAdmin(NestedModelAdmin):
+    inlines=[ReferenzerklaerungInline]
+    list_display =['Path']
+    search_fields=("referenz",)