Author: Andrew Davis
MDL-48894 core_registration: make it more obvious if site is registered
http://git.moodle.org/gw?p=moodle.git;a=commit;h=806c06fc7b435dea11361b6c566549abdb103197
http://github.com/moodle/moodle/commit/806c06fc7b435dea11361b6c566549abdb103197
+ 2.9 en [pleaserefreshregistration,core_admin]
+ 2.9 en [pleaserefreshregistrationunknown,core_admin]
- 2.9 en [pleaseregister,core_admin]