Author: Paul Holden
MDL-72500 report_eventlist: group and sort list of components.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a9f3cf6d75f5ad3cc27b451847784720dd1cddd9
http://github.com/moodle/moodle/commit/a9f3cf6d75f5ad3cc27b451847784720dd1cddd9
+ 4.0 en [core,report_eventlist]
+ 4.0 en [coresubsystem,report_eventlist]