Fix no display bug

Summary:
Rename Fetcher.Result and fix the no shown arrivals

Fix FiveTAPIFetcher

Parse new type of responses from FiveTAPIFetcher

Add code for printing better output

Test Plan: Check that the bug is gone and you can see the arrivals

Reviewers: valerio.bozzolan

Reviewed By: valerio.bozzolan

Subscribers: valerio.bozzolan, Libre BusTO

Tags: Libre BusTO

Maniphest Tasks: T891, T890

Differential Revision: https://gitpull.it/D62