Author: David Mudrák
MDL-26349 Display the workshop final grades to participants when the activity is closed
http://git.moodle.org/gw?p=moodle.git;a=commit;h=3cb4ce45c733907fa89deeeadb6acd69b6531de5
http://github.com/moodle/moodle/commit/3cb4ce45c733907fa89deeeadb6acd69b6531de5
+ 2.4 en [yourgrades,mod_workshop]