MassOnTime: Add a path that indicates current location.

There is a problem with typing in "catholic churches nearby" in that the location is still subject to a relevancy check. We can go with the path of the Forecast.pm instant answer where it adds a "current" in the path of the endpoint which basically says, "Don't check the relevancy because we're getting the user's location."
Merge pull request #469 from duckduckgo/jag/massontime-relevancy

MassOnTime: Add a path that indicates current location.