[3454] Non-embeddable SoundCloud sources say Embedding of this SoundCloud video
[Bug 858093] Publish ID not sent with project API calls
Bug #858623 - Add CORS headers to public API endpoints
Bug #858623 - Enable jsonp for public API endpoints
Butter v1.0.28
Bug #857762 - 1. Add support for description field
2. Change share-editor to project-editor
Bug 857264 - Rewrite publish system to use WebComponents for each
trackevent and media