Author: Mark Johnson
MDL-28509 repository_youtube Enable selection of sort order
http://git.moodle.org/gw?p=moodle.git;a=commit;h=919304d4bfa6b24ff4e286c4de4c64ed44ebebf9
http://github.com/moodle/moodle/commit/919304d4bfa6b24ff4e286c4de4c64ed44ebebf9
+ 2.0 en [sortby,repository_youtube]
+ 2.0 en [sortpublished,repository_youtube]
+ 2.0 en [sortrating,repository_youtube]
+ 2.0 en [sortrelevance,repository_youtube]
+ 2.0 en [sortviewcount,repository_youtube]