@@ -0,0 +1,686 @@
+# -*- coding: utf-8 -*-%0A# Generated by Django 1.11.6 on 2017-11-11 03:35%0Afrom __future__ import unicode_literals%0A%0Aimport django.core.validators%0Afrom django.db import migrations, models%0Aimport django.db.models.deletion%0A%0A%0Aclass Migration(migrations.Migration):%0A%0A    dependencies = %5B%0A        ('server', '0012_auto_20171109_0556'),%0A    %5D%0A%0A    operations = %5B%0A        migrations.AddField(%0A            model_name='reference',%0A            name='prefix',%0A            field=models.PositiveSmallIntegerField(default=8, validators=%5Bdjango.core.validators.MaxValueValidator(9, 'Bitte keine Zahlen gr%C3%B6%C3%9Fer 9 eingeben')%5D, verbose_name='Jahreszahl'),%0A            preserve_default=False,%0A        )%0A    %5D%0A

Improve category filter for activities