Include player images on the player cards in the football admin

The sport s3 bucket is configured for the application and being used
to provide player images in player cards.
Addition of LARGE football crests
Pixel perfecting football stats
Merge branch 'master' of github.com:guardian/frontend into add-player-images-to-football-admin
Add the right hand most popular switch
Merge pull request #3610 from guardian/reinstate-right-hand-most-popular

Add the right hand most popular switch
Smaller crests for football
Responsive crests
Merge pull request #3609 from guardian/football-tidy-stats

Pixel perfecting football stats
Vertical alignment of crests
Variablise football crest sass
Add logic to check if team coluors are light/dark

Chooses the correct text colour based on the team colour so the text
will be legible.
Merge pull request #3614 from guardian/add-player-images-to-football-admin

Football crests on scores...
Typos and obj name fix
Rename test to match new object name
Config md5hash
Log out the id that is being written to the content api
Merge pull request #3615 from guardian/fix-stats-text-colours

Add logic to check if team coluors are light/dark
Tweaked tracking
Merge branch 'write-logging'