Update submission_details.php

parseDiff does not produce any output (nor seems to be defined anywhere). Use parseRunDiff, as on the jury submission details page, instead.
Update sql/files/fefaultdata/hs/run

reset maximum stack size to someting small to prevent ghc from running out of memory
ChangeLog
Fix problem autoselect in team page
Cgroups are not experimental anymore.
Update admin manual about chroot

 - mono 'just works' in chroot
 - java isn't the only language in the world that needs a chroot
Updates to the API:

- /api/contest now also returns the freeze- and unfreezetime
- /api/submissions now does not return submissions during the freezetime when not requested by someone else than a jury member during freezetime (also fixed infreeze())
- Updated some API descriptions