Author: Jake Dallimore
MDL-75650 core: add moodlenet oauth2 service to core
http://git.moodle.org/gw?p=moodle.git;a=commit;h=bc0bc7ac4c691138af4eb04c0e1ef02a9c0074ef
http://github.com/moodle/moodle/commit/bc0bc7ac4c691138af4eb04c0e1ef02a9c0074ef
+ 4.2 en [moodlenet_service,tool_oauth2]