Log Message:
databases/py-mongo: update to 3.5.1

Changes in Version 3.5.1

Version 3.5.1 fixes bugs reported since the release of 3.5.0:
* Work around socket.getsockopt issue with NetBSD.
* :meth:`pymongo.command_cursor.CommandCursor.close` now closes the cursor \ 
synchronously instead of deferring to a background thread.
* Fix documentation build warnings with Sphinx 1.6.x.

Issues Resolved
See the PyMongo 3.5.1 release notes in JIRA for the list of resolved issues in \ 
this release.