Add support for reindexing document on content parsing changes.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/document_parsing/managers.py

@@ -10,6 +10,7 @@ from django.db import models
 
 from .events import event_parsing_document_version_finish
 from .parsers import Parser
+from .signals import post_document_version_parsing
 
 logger = logging.getLogger(__name__)
 
@@ -50,6 +51,10 @@ class DocumentPageContentManager(models.Manager):
                 target=document_version
             )
 
+            post_document_version_parsing.send(
+                sender=document_version.__class__, instance=document_version
+            )
+
 
 class DocumentTypeSettingsManager(models.Manager):
     def get_by_natural_key(self, document_type_natural_key):