2020.3.31.1: Redirect /style-guide and child paths to zeroheight, update tests

a96f019 Redirect /style-guide and child paths to zeroheight, update tests
35c672f Update location of CrossBrowserTesting AuthKey
c02c15a Selecting variant changes variant query param
84153c5 Respect variant param in line page
523c36f Add PR checklist to PR template
76e4e13 Update FullStory snippet to latest version and fix typos in comments.

2020.3.23.1: Log warning for prediction with nil trip

5a3a2ee Log warning for prediction with nil trip
ade947a Don't send Phoenix.NotAcceptable errors to Sentry
697c461 Prevent 500ing in one unidirectional case
73c10c7 Include URL in MBTA alerts (+ update tests and snapshots).
c7f161c Include space in sentence
4a60ba7 Fix Elixir tests for spring 2020 rating
02f6a7f Add TESTING docs for CrossBrowserTesting
115d3de Clean up and format TESTING doc
e1b1693 Surface errors with Wiremock proxying in Backstop

2020.3.12.1: Add inputs to Schedule Finder modal

77e2a98 Add inputs to Schedule Finder modal
b32d267 Change GL destination names to "All branches"
78b0c60 Update Enzyme and bump React patch version
3309e84 Simplify markup, remove unused styles and capitalize text
764b6fb Remove width restriction
9f7655f prioritize arrival time predictions when available
c8fad67 Mock out ExAWS config in test
f62b8de Update Hackney to resolve SSL cipher order issue

2020.3.9.1: Handle missing trip info gracefully

1d5f9df Handle missing trip info gracefully
029a8da Adjust one test to pass

2020.3.5.2

4d30f17 Add version checking to realtime endpoint
f28b3d8 Add read concurrency to realtime cache

2020.3.5.1: Use SWR in place of react-async and use-interval

3e4b1e8 Use SWR in place of react-async and use-interval

2020.3.3.2: Revert "Poll for live data only when page is visible"

68c0c9c Revert "Poll for live data only when page is visible"

2020.3.3.1: Poll for live data only when page is visible

8900bd5 Poll for live data only when page is visible
b40ce85 Jest config: Clear mock calls for each test
88b1883 Re-enable realtime line diagram data
6e2d447 Remove unnecessary coupling in ScheduleFinder
d6af746 Move some types from ScheduleFinder component
9080a51 Use SearchBox to filter stops in Schedule Finder

2020.2.28.1

23d6e20 Remove all reference to Mailgun
acc930d Migrate feedback mailer from Mailgun to Amazon SES
b74ad73 Remove dead email test code
a75840a Add "View schedules" links to destination stops

2020.2.25.1: Revert "fix: disable the realtime LineAPI"

5ef4fde Revert "fix: disable the realtime LineAPI"
5ff14ff fix: disable the realtime LineAPI
d681fbb Simplify typing of stop click function