Add new app to handle all dependencies

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

mayan/apps/document_parsing/apps.py

@@ -19,6 +19,7 @@ from mayan.apps.documents.signals import post_version_upload
 from mayan.apps.navigation.classes import SourceColumn
 from mayan.celery import app
 
+from .dependencies import *  # NOQA
 from .handlers import (
     handler_index_document, handler_initialize_new_parsing_settings,
     handler_parse_document_version