Author: Petr Škoda
MDL-34868 update deprecated Google maps API V2 key info
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0df0664e4d5d3cfe2bce706fcfea8891459e2bc4
http://github.com/moodle/moodle/commit/0df0664e4d5d3cfe2bce706fcfea8891459e2bc4
+ 2.2 en [configgooglemapkey,core_admin]
+ 2.2 en [googlemapkey,core_admin]