For Zulip. translation-bot's sibling. Made with Victor Felder.
Uses forecast.io for getting the weather and geocoder for geocoding the locations.
@**Weather** [when] in [location] or weather [when] in [location] where [when]
is now, today, tomorrow, or week, and location is the name of the place.
If the query is only @**Weather**, weather, or [@**Weather**|weather] [when],
it defaults to returning the weather of 455 Broadway, New York, NY.
