Author: Aaron Barnes
MDL-40241 completion: Default roles unable to manually complete course
Thanks to Jon Sharp for authoring the original patch!
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0a39d649279461a3ed68aed131f62c0f99d37634
http://github.com/moodle/moodle/commit/0a39d649279461a3ed68aed131f62c0f99d37634
+ 2.8 en [clicktomarkusercomplete,report_completion]