Author: Mark Nelson
MDL-57878 core_completion: added expected completion date function
Part of MDL-55611 epic.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=45d00aab43dfcbd47d2cc06c58eab4b1231154d5
http://github.com/moodle/moodle/commit/45d00aab43dfcbd47d2cc06c58eab4b1231154d5
+ 3.3 en [completionexpected_help,core_completion]
+ 3.3 en [completionexpectedfor,core_completion]