Author: Mark Johnson
MDL-28509 repository_youtube Enable selection of sort order
http://git.moodle.org/gw?p=moodle.git;a=commit;h=0638e55b1452d7267de0092adf8ccb01ec5e2d1d
http://github.com/moodle/moodle/commit/0638e55b1452d7267de0092adf8ccb01ec5e2d1d
+ 2.1 en [sortby,repository_youtube]
+ 2.1 en [sortpublished,repository_youtube]
+ 2.1 en [sortrating,repository_youtube]
+ 2.1 en [sortrelevance,repository_youtube]
+ 2.1 en [sortviewcount,repository_youtube]