Update all the things, and fix some upgrade issues

RIGS/migrations/0026_auto_20170510_1846.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.1 on 2017-05-10 17:46
+from __future__ import unicode_literals
+
+import django.contrib.auth.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('RIGS', '0025_auto_20160331_1302'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='profile',
+            name='username',
+            field=models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.ASCIIUsernameValidator()], verbose_name='username'),
+        ),
+    ]

RIGS/test_unit.py

@@ -164,6 +164,8 @@ class TestInvoiceDelete(TestCase):
     def setUpTestData(cls):
         cls.profile = models.Profile.objects.create(username="testuser1", email="1@test.com", is_superuser=True, is_active=True, is_staff=True)
 
+        cls.vatrate = models.VatRate.objects.create(start_at='2014-03-05', rate=0.20, comment='test1')
+
         cls.events = {
             1: models.Event.objects.create(name="TE E1", start_date=date.today()),
             2: models.Event.objects.create(name="TE E2", start_date=date.today())

RIGS/versioning.py

@@ -199,7 +199,7 @@ def get_changes_for_version(newVersion, oldVersion=None):
 
 
 class VersionHistory(generic.ListView):
-    model = reversion.revisions.Version
+    model = Version
     template_name = "RIGS/version_history.html"
     paginate_by = 25
 
@@ -236,7 +236,7 @@ class VersionHistory(generic.ListView):
 
 
 class ActivityTable(generic.ListView):
-    model = reversion.revisions.Version
+    model = Version
     template_name = "RIGS/activity_table.html"
     paginate_by = 25
 
@@ -260,7 +260,7 @@ class ActivityTable(generic.ListView):
 
 
 class ActivityFeed(generic.ListView):
-    model = reversion.revisions.Version
+    model = Version
     template_name = "RIGS/activity_feed_data.html"
     paginate_by = 25