bug #4467 shell_exec() has been disabled for security reasons

Signed-off-by: Marc Delisle <marc@infomarc.info>
Merge branch 'QA_4_2'
ChangeLog entry

Signed-off-by: Marc Delisle <marc@infomarc.info>
Merge branch 'QA_4_2'
Freecode.com is now read-only

Signed-off-by: Marc Delisle <marc@infomarc.info>
Translated using Weblate (Azerbaijani)

Currently translated at 19.7% (553 of 2807)
Translated using Weblate (Norwegian Bokmål)

Currently translated at 60.6% (1703 of 2807)
Merge remote-tracking branch 'origin/master'