Bugfixes + small improvements

- Fix for education "First Aid 2": can now be completed
- Fix for canceling current education, a safety question is now asked
- Fix for signing up with clubs that other players are coaching in multiplayer
- Fix for missing logos for custom clubs (Editor)
- Fix for loading games, that were saved in the title screen
- Fix for narrative where other coaches call you, happens less often now
- Fix for signing up with a club while having a club
- Fix for aging of salary cuts
- Fix the question window without the "no" option
- Custom teams and their logos are now shared between devices using Steam cloud