Ensure Asset class md5Key member uses correct regex to retrive cache key
Ensure we use correct cache key to get/set fonts in localStorage
Make CSS and font from localStorage switches to default to On
Merge pull request #4861 from guardian/interactive-header

Fix localStorage cache keys for CSS and Fonts
Remove sentry a/b test
Merge pull request #4865 from guardian/spike-sentry

Remove sentry a/b test
Merge branch 'master' of github.com:guardian/frontend into discussion-formattingImprovements
Improved preview of comments