Author: Mark Nelson
MDL-41101 mod_assign: replaced 'view' add_to_log call for the reveal identities confirmation page with an event
http://git.moodle.org/gw?p=moodle.git;a=commit;h=b06decdd5985ad82bb088b58e96f7e8f3106f999
http://github.com/moodle/moodle/commit/b06decdd5985ad82bb088b58e96f7e8f3106f999
+ 2.7 en [eventrevealidentitiesconfirmationpageviewed,mod_assign]