Author: David Mudrák
MDL-35421 Display the conclusion when the workshop is closed
There is a new task implemented for the teachers so they are expected to
provide the conclusion at the end of the assessment phase.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=4c61fcd8256408e889a7e9899c5e16029be64e8f
http://github.com/moodle/moodle/commit/4c61fcd8256408e889a7e9899c5e16029be64e8f
+ 2.4 en [taskconclusion,mod_workshop]