Author: Huong Nguyen
MDL-83276 AI: Extra checks for provider and placement actions
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c2dafca31416fcae831161ee420b6391216342ee
http://github.com/moodle/moodle/commit/c2dafca31416fcae831161ee420b6391216342ee
+ 4.5 en [nocourseassist,aiplacement_courseassist]
+ 4.5 en [noeditor,aiplacement_editor]