Added django-extensions to requirements

Added migration for field renaming

manage.py

@@ -11,5 +11,5 @@
             "Couldn't import Django. Are you sure it's installed and "
             "available on your PYTHONPATH environment variable? Did you "
             "forget to activate a virtual environment?"
-        ) from exc
+        )
     execute_from_command_line(sys.argv)

requirements.txt

@@ -1,2 +1,3 @@
 django
-django-bootstrap4
+django-bootstrap4
+django-extensions

tom_targets/migrations/0002_auto_20180607_1730.py

@@ -0,0 +1,130 @@
+# Generated by Django 2.0.6 on 2018-06-07 17:30
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tom_targets', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='TargetList',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(help_text='The name of the target list.', max_length=200)),
+                ('created', models.DateTimeField(auto_now_add=True, help_text='The time which this target list was created in the TOM database.')),
+            ],
+        ),
+        migrations.RenameField(
+            model_name='target',
+            old_name='id',
+            new_name='identifier',
+        ),
+        migrations.RemoveField(
+            model_name='target',
+            name='mean_anomoly',
+        ),
+        migrations.AddField(
+            model_name='target',
+            name='mean_anomaly',
+            field=models.FloatField(blank=True, help_text='Angle in degrees.', null=True, verbose_name='Mean Anomaly'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='arg_of_perihelion',
+            field=models.FloatField(blank=True, help_text='Argument of Perhihelion. J2000. Degrees.', null=True, verbose_name='Argument of Perihelion'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='dec',
+            field=models.FloatField(blank=True, help_text='Declination, in degrees.', null=True, verbose_name='Declination'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='distance',
+            field=models.FloatField(blank=True, help_text='Parsecs.', null=True, verbose_name='Distance'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='distance_err',
+            field=models.FloatField(blank=True, help_text='Parsecs.', null=True, verbose_name='Distance Error'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='ephemeris_epoch',
+            field=models.FloatField(blank=True, help_text='Days', null=True, verbose_name='Ephemeris Epoch'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='ephemeris_epoch_err',
+            field=models.FloatField(blank=True, help_text='Days', null=True, verbose_name='Ephemeris Epoch Error'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='ephemeris_period',
+            field=models.FloatField(blank=True, help_text='Days', null=True, verbose_name='Ephemeris Period'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='ephemeris_period_err',
+            field=models.FloatField(blank=True, help_text='Days', null=True, verbose_name='Ephemeris Period Error'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='epoch',
+            field=models.FloatField(blank=True, help_text='Julian Years. Max 2100.', null=True, verbose_name='Epoch of Elements'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='galactic_lat',
+            field=models.FloatField(blank=True, help_text='Galactic Latitude in degrees.', null=True, verbose_name='Galactic Latitude'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='galactic_lng',
+            field=models.FloatField(blank=True, help_text='Galactic Longitude in degrees.', null=True, verbose_name='Galactic Longitude'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='inclination',
+            field=models.FloatField(blank=True, help_text='Inclination to the ecliptic. J2000. Degrees.', null=True, verbose_name='Inclination to the ecliptic'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='lng_asc_node',
+            field=models.FloatField(blank=True, help_text='Longitude of Ascending Node. J2000. Degrees.', null=True, verbose_name='Longitude of Ascending Node'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='mean_daily_motion',
+            field=models.FloatField(blank=True, help_text='Degrees per day.', null=True, verbose_name='Mean Daily Motion'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='pm_dec',
+            field=models.FloatField(blank=True, help_text='Proper Motion: Dec. Milliarsec/year.', null=True, verbose_name='Proper Motion (Declination)'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='pm_ra',
+            field=models.FloatField(blank=True, help_text='Proper Motion: RA. Milliarsec/year.', null=True, verbose_name='Proper Motion (RA)'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='ra',
+            field=models.FloatField(blank=True, help_text='Right Ascension, in degrees.', null=True, verbose_name='Right Ascension'),
+        ),
+        migrations.AlterField(
+            model_name='target',
+            name='semimajor_axis',
+            field=models.FloatField(blank=True, help_text='In AU', null=True, verbose_name='Semimajor Axis'),
+        ),
+        migrations.AddField(
+            model_name='targetlist',
+            name='targets',
+            field=models.ManyToManyField(to='tom_targets.Target'),
+        ),
+    ]