Author: Jake Dallimore
MDL-67593 core_iplookup: update lang string describing download process
Let users know they need to register on maxmind before granted download
access.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=dbf29da73f460918a00f39d7b163d0fda83e765a
http://github.com/moodle/moodle/commit/dbf29da73f460918a00f39d7b163d0fda83e765a
+ 3.9 en [configgeoipfile,core_admin]