Author: Mark Johnson
MDL-28509 repository_youtube Enable selection of sort order
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c865e54938eaba0b21050048ac0e7e5b83e11991
http://github.com/moodle/moodle/commit/c865e54938eaba0b21050048ac0e7e5b83e11991
+ 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]