Author: Andrew Davis
MDL-49319 core_registration: altered registration strings
http://git.moodle.org/gw?p=moodle.git;a=commit;h=19a4bdb7f49ee98db6596eec6776c11a28838d3d
http://github.com/moodle/moodle/commit/19a4bdb7f49ee98db6596eec6776c11a28838d3d
+ 2.8 en [registermoodleorg,core_admin]
+ 2.8 en [registerwithmoodleorg,core_admin]
+ 2.8 en [registeredon,core_hub]
+ 2.8 en [registrationconfirmedon,core_hub]