Author: David Mudrak
MDL-26535 workshop: new capability to control the anonymity of published submissions
Re-using 'mod/workshop:viewauthornames' would not be a happy option here
because teacher would have to change local overrides every time when
they were closing or re-opening the workshop (if they wanted anonymous
assessment but non-anonymous hall of fame).
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e13d02f544bd0708590ca2e591a94a992135f67c
http://github.com/moodle/moodle/commit/e13d02f544bd0708590ca2e591a94a992135f67c
+ 2.0 en [workshop:viewauthorpublished,mod_workshop]