Author: Stefan Hanauska
MDL-73503 report: Add filtering by section to report_progress
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e6753b2e95c0edee8ef20faa001dc9b318a23e0f
http://github.com/moodle/moodle/commit/e6753b2e95c0edee8ef20faa001dc9b318a23e0f
+ 4.2 en [activitysection,report_progress]
+ 4.2 en [no_filter_by_section,report_progress]