Feature: Save history all tournament changes

[ReDBrother]

Backend:

1. every saved changes by edit page
2. every restart tournament and who restarted
3. every canceled tournament and who canceled
4. every round starts/finished and by whose or what event did this happen
5. every pause starts/finished and by whose or what event did this happen
6. when tournament finished

Frontend: Show all history by user request or on tournament main page