Author: Adrian Greeve
MDL-36003 events: Added events for viewing grade reports.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=06dc1e7f56629dc3134211074d802a1d0753a42b
http://github.com/moodle/moodle/commit/06dc1e7f56629dc3134211074d802a1d0753a42b
+ 2.8 en [eventreportviewed,gradereport_grader]
+ 2.8 en [eventreportviewed,gradereport_outcomes]
+ 2.8 en [eventreportviewed,gradereport_overview]
+ 2.8 en [eventreportviewed,gradereport_user]
+ 2.8 en [eventgradeviewed,core_grades]