Author: Dan Poltawski
MDL-57293 lang/email: Improve emailvia string
* Strip the https? part of url for existing strings
* Switch the string to (via shortname)
http://git.moodle.org/gw?p=moodle.git;a=commit;h=cd7ca81fddd4b53c548e18964af5b55166ab2e0a
http://github.com/moodle/moodle/commit/cd7ca81fddd4b53c548e18964af5b55166ab2e0a
+ 3.2 en [emailvia,core]