BLD-642: Allow multiple transcripts with video.
Remove duplicate languages and ensure unicode.
Address comments.
Address comments.
Move asset related metods to utils.
Refactor code.
Soem fixes.
Fixes.
Fix.
Fixes.
Refactoring.
Fix.
Move sjson methods to utils.
Fix methods names.
Fix in get_or_create_sjson
Fix tests.
Fix name in acceptance tests.
Fix.
Fix tests.
Fix values in acceptance tests.