Author: Adrian Greeve
MDL-49726 navigation: Update event monitor subscription.
It is now possible for users with the right permissions
to subscribe to events. The link is on the preferences page.
Part of MDL-45774.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=25c634df29a96dcbe24c30929b68840bfe09d00a
http://github.com/moodle/moodle/commit/25c634df29a96dcbe24c30929b68840bfe09d00a
+ 2.9 en [rulenopermission,tool_monitor]