Migration updates

Squash version page migrations.
Add manual OCR and parsing migrations.
Fix tests.
Page search updates.

Signed-off-by: Roberto Rosario <roberto.rosario@mayan-edms.com>

mayan/apps/document_parsing/migrations/0005_rename_page_content.py

@@ -0,0 +1,28 @@
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('document_parsing', '0004_auto_20180917_0645'),
+        ('documents', '0052_rename_document_page'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            'DocumentPageContent', 'DocumentVersionPageContent'
+        ),
+        migrations.AlterField(
+            model_name='documentversionpagecontent',
+            name='document_page',
+            field=models.OneToOneField(
+                on_delete=django.db.models.deletion.CASCADE,
+                name='document_version_page',
+                related_name='content',
+                to='documents.DocumentVersionPage',
+                verbose_name='Document version page'
+            ),
+        ),
+    ]