Author: David Monllao
MDL-60520 analytics: Per-model ml backend
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ed12ba6ba81b83301f1c7ce6d6a2350e80afaa93
http://github.com/moodle/moodle/commit/ed12ba6ba81b83301f1c7ce6d6a2350e80afaa93
+ 3.6 en [defaultpredictionsprocessor,core_analytics]
+ 3.6 en [defaultpredictoroption,core_analytics]
+ 3.6 en [predictionsprocessor_help,core_analytics]