edx/edx-platform — pull request #1807 by polesye (2013-12-02 07:17:12+00:00)
Title: Video Transcripts: Fix clear and download buttons.

@auraz please review.

[BLD-438](https://edx-wiki.atlassian.net/browse/BLD-438).

This PR adds fixes for:
- when the status message is "uploaded successfully", `download` button doesn't work (redirect to 404 page).
- `Clear` button in the `Advanced` tab doesn't remove transcripts.