Refactor OCR app. Removes document parsing. Moves OCR processing to

model manager. Add submit and finish events.

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

mayan/apps/ocr/events.py

@@ -0,0 +1,14 @@
+from __future__ import absolute_import, unicode_literals
+
+from django.utils.translation import ugettext_lazy as _
+
+from events.classes import Event
+
+event_ocr_document_version_submit = Event(
+    name='ocr_document_version_submit',
+    label=_('Document version submitted for OCR')
+)
+event_ocr_document_version_finish = Event(
+    name='ocr_document_version_finish',
+    label=_('Document version OCR finished')
+)