Merge pull request #380 from anirudh-chhangani/XEP-0096-add-hash-param

add hash metadata for file transfer

sleekxmpp/plugins/xep_0096/file_transfer.py

@@ -47,6 +47,7 @@ class XEP_0096(BasePlugin):
         data['size'] = size
         data['date'] = date
         data['desc'] = desc
+        data['hash'] = hash
         if allow_ranged:
             data.enable('range')