Sort backup teams to the end of the team list
Sort backup teams to the end of the team list

closes #6

Signed-off-by: Jan Losinski <577c4104c61edf9f052c616c0c23e67bef4a9955@wh2.tu-dresden.de>

janLo/meet-and-eat-registration-system,eXma/meet-and-eat-registration-system,eXma/meet-and-eat-registration-system,eXma/meet-and-eat-registration-system,eXma/meet-and-eat-registration-system,janLo/meet-and-eat-registration-system,janLo/meet-and-eat-registration-system,janLo/meet-and-eat-registration-system