Author: Petr Škoda
MDL-34959 add Google Maps API V3 support
http://git.moodle.org/gw?p=moodle.git;a=commit;h=cec7d43591ce479629a23bd46a59355dcfe80e06
http://github.com/moodle/moodle/commit/cec7d43591ce479629a23bd46a59355dcfe80e06
+ 2.4 en [googlemapkey3,core_admin]
+ 2.4 en [googlemapkey3_help,core_admin]