Advanced data in timetable views

Closes #72 (closed) Closes #73 (closed)

aleksis/apps/chronos/migrations/0010_absence_reason_name.py

+# Generated by Django 3.0.5 on 2020-04-13 13:36
+
+from django.db import migrations, models
+from django.db.models import F
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('chronos', '0009_extended_data'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='absencereason',
+            name='name',
+            field=models.CharField(default=F("description"), blank=True, max_length=255, null=True, verbose_name='Name'),
+        ),
+        migrations.AddField(
+            model_name='absencereason',
+            name='short_name',
+            field=models.CharField(default=F("title"), max_length=255, verbose_name='Short name'),
+            preserve_default=False,
+        ),
+        migrations.RemoveField(
+            model_name='absencereason',
+            name='description',
+        ),
+        migrations.RemoveField(
+            model_name='absencereason',
+            name='title',
+        ),
+    ]