Adding live scores for premier league to live clockwatch blogs

Visually change match on clockwatch if something updates
NL@EOF and JsHinting
Small refactor to loading UI
400 -> Normal
Revert "adding tag combiner routes"

This reverts commit 44d474614a51966767986fd456381fa3fad8c1f2.
Merge branch 'master' of github.com:guardian/frontend into football-clockwatch-live-matches
Quickfixes to loading message
Add tag combiners back to facia
Scores -> live scores as indicator that scores are live
live -> isLive typo
Use article meta data as semantic hook for football matches in clockwatch
matches cache / refresh every 10 seconds
Merge pull request #3538 from guardian/football-clockwatch-live-matches

Live matches on football clockwatch