kb: add migrations to use taggit

welco/kb/migrations/0003_page_tags.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import taggit.managers
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('taggit', '0002_auto_20150616_2121'),
+        ('kb', '0002_page_keywords'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='page',
+            name='tags',
+            field=taggit.managers.TaggableManager(to='taggit.Tag', through='taggit.TaggedItem', blank=True, help_text='A comma-separated list of tags.', verbose_name='Keywords'),
+            preserve_default=True,
+        ),
+    ]

welco/kb/migrations/0004_remove_page_keywords.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('kb', '0003_page_tags'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='page',
+            name='keywords',
+        ),
+    ]