Release v0.1.17b2

See v0.1.17b1 notes for what is new in v0.1.17.

Fixed in this beta release:

-) If no template provided then put in start/end timestamp instead as it is also used for filenames
-) Fixed setting of metadata in video for city, reason, latitude, and longitude
-) Added more debug logging
-) Events were not added to movie object if an event with same template was already processed.
-) Fix traceback error for total_movies.