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=d0e61e86552d11abc2760a0801d5c83edeed3305
http://github.com/moodle/moodle/commit/d0e61e86552d11abc2760a0801d5c83edeed3305
+ 3.3 en [emailvia,core]