document IA_CHECK
bin/lib changes from mo-eval user
writing of verdicts to stdout (include timing and check on interactive tasks, including judge errors)
+scores dependent on time (like PL olympiad)
Environment
~~~~~~~~~~~
- contest: local history
- contest: task status cache
- utilitka, kterou si po soutezi mohou vsichni pretestovat na souteznich datech
+- per-task setting of maximum submission size