Add option to show output (stderr/stdout)
In addition of “Show failure details to students”, add option to “Show program output (stderr/stdout)” to students.
Submitted by Elmer van Chastelet on 11 November 2020 at 15:51
Also, make behavior equal for both backends (java and docker based backends). Previously, program output was exposed for docker-based languages when “Show failure details to students” was enabled.