LONDON (Reuters) - Scandinavian DJ group Swedish House Mafia piped Adele's Bond movie song "Skyfall" to the top of the singles chart this week, while London-based folk band Mumford And Sons nudged up one place to number one in a tumultuous week in the album chart. The Official Charts Company on Sunday said Swedish House Mafia's "Don't You Worry Child" had outsold Skyfall 43,000 copies to secure their fifth singles chart top 10 hit and first number one. ...