Remove implicit imports
Prevent switches from logging excessively
Add logging to Recently Published Actor receive messages
Fix typos in onward logging
Update onward web socket endpoint
Use switch trait methods
Catch close and error websocket events and reconnect
Use Ophan onward to provide popular links from a content id
Update onward test
Parameterise ophan api, and update onward routes
Merge pull request #2271 from guardian/onward-app-logging

Onward app web sockets and 'popular onward journies' endpoint