heey, Does anybody know if he(the author) realesed this for download or something: http://www.gamedev.net/reference/business/features/spotlightSoc4/
the author of the summer of coding 2009 cut scene editor released its sources, the link is in the summer of coding thread, think on showcase board or so
you can download it here: Code (csharp): http://www.matthewminer.com/2010/unity-cutscene-editor-initial-release/