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
Update dj_make_ubuntu_chroot

Update to Ubuntu 14.04 LTS.
This requires sysfs to be mounted.
Update dj_make_ubuntu_chroot

fix a typo