Correct old template URLs.

Remove redundant name from fatlink.
Remove optimer app dependency.
And other general cleanup.

Thanks @TargetZ3R0

allianceauth/fleetactivitytracking/migrations/0001_initial.py

@@ -2,12 +2,10 @@
 # Generated by Django 1.10.1 on 2016-09-05 21:39
 from __future__ import unicode_literals
 
-import datetime
-
 import django.db.models.deletion
 from django.conf import settings
 from django.db import migrations, models
-from django.utils.timezone import utc
+from django.utils import timezone
 
 import allianceauth.fleetactivitytracking.models
 
@@ -36,9 +34,9 @@ class Migration(migrations.Migration):
             name='Fatlink',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('fatdatetime', models.DateTimeField(default=datetime.datetime(2016, 9, 5, 21, 39, 17, 307954, tzinfo=utc))),
+                ('fatdatetime', models.DateTimeField(default=timezone.now)),
                 ('duration', models.PositiveIntegerField()),
-                ('fleet', models.CharField(default=b'', max_length=254)),
+                ('fleet', models.CharField(default='', max_length=254)),
                 ('name', models.CharField(max_length=254)),
                 ('hash', models.CharField(max_length=254, unique=True)),
                 ('creator', models.ForeignKey(on_delete=models.SET(

allianceauth/fleetactivitytracking/migrations/0005_remove_fat_name.py

@@ -0,0 +1,22 @@
+# Generated by Django 2.0.2 on 2018-02-28 18:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fleetactivitytracking', '0004_make_strings_more_stringy'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='fatlink',
+            name='name',
+        ),
+        migrations.AlterField(
+            model_name='fatlink',
+            name='fleet',
+            field=models.CharField(max_length=254),
+        ),
+    ]