Added temporary football embed for worldcup groups
Move embed routes about
Lowercase please
Merge branch 'master' of github.com:guardian/frontend into football-groups-embed

Conflicts:
	common/app/conf/switches.scala
Admitting football embed is for R2
Merge branch 'master' of github.com:guardian/frontend into football-groups-embed
Merge pull request #4210 from guardian/football-groups-embed

Football groups embed