Author: Paul Holden
MDL-74327 calendar: format event location property if it's a URL.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=432fbbc81a16c243a169149ca7531a07d3ec1792
http://github.com/moodle/moodle/commit/432fbbc81a16c243a169149ca7531a07d3ec1792
+ 4.1 en [eventnamelocation,core_calendar]