Adding scoreboard to football previews

Fixes #3954 & #4002.
Bugfix: If there is no template it replaces the header.

![scoreonpreview](https://cloud.githubusercontent.com/assets/31692/2802047/ef3193ce-cc89-11e3-8636-c741d455135e.png)

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![Score!](http://usedwigs.com/wp-content/uploads/2010/06/soccergif08.gif)