Added remaining functionality to document indexing (filesystem rebuild, better warning reporting)

apps/document_indexing/os_agnostic.py

@@ -0,0 +1,8 @@
+from document_indexing.conf.settings import SUFFIX_SEPARATOR
+
+
+def assemble_document_filename(document, suffix=0):
+    if suffix:
+        return SUFFIX_SEPARATOR.join([document.file_filename, unicode(suffix)])
+    else:
+        return document.file_filename