Support level specification for next match widget

Add support for specifying the level to use for the next match widget
Enable logo upload and use in match widgets

= Build in access to media for selecting team logos
= Use team_data localisation in match widgets
= Modify layout of match widgets to include team logos
= Add new logo style option to widgets to allow for direct styles
Fix bug in next match widget

Ensure that the div for the other team is closed in the right place.